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Merge remote-tracking branch 'upstream/master' into statediff-additions

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This commit is contained in:
Roy Crihfield 2024-03-28 17:27:14 +08:00
commit 2bd23e1f3c
55 changed files with 8233 additions and 2651 deletions
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1
core/interface.go
View File

@ -121,6 +121,7 @@ type StateDB interface {
type RWStateDB interface {
StateDB
AddBalance(add Address, amount *big.Int)
}
type ScopeContext interface {

2
docs/api.rst
View File

@ -14,7 +14,7 @@ Flags
* **Name:** Flags
* **Type:** `flag.FlagSet`_
* **Behavior:** This FlagSet will be parsed and your plugin will be able to access the resulting flags. Flags will be passed to Geth from the command line and are intended to of the plugin. Note that if any flags are provided, certain checks are disabled within Geth to avoid failing due to unexpected flags.
* **Behavior:** This FlagSet will be parsed and your plugin will be able to access the resulting flags. Flags will be passed to Geth from the command line and are intended to configure the behavior of the plugin. Passed flags must follow ``--`` to be parsed by this FlagSet, which is necessary to avoid Geth failing due to unexpected flags.
Subcommands
-----------

2
docs/types.rst
View File

@ -15,7 +15,7 @@ These plugins provide new json rpc methods to access several objects containing
Subcommand
------------
A subcommand redifines the total behavior of Geth and could stand on its own. In contrast with the other plugin types which, in general, are meant to capture and manipulate information, a subcommand is meant to change the overall behavior of Geth. It may do this in order to capture information but the primary fuctionality is a modulation of geth behaviour.
A subcommand redefines the total behavior of Geth and could stand on its own. In contrast with the other plugin types which, in general, are meant to capture and manipulate information, a subcommand is meant to change the overall behavior of Geth. It may do this in order to capture information but the primary fuctionality is a modulation of geth behaviour.
Tracers
-------

28
go.mod
View File

@ -4,20 +4,32 @@ go 1.19
require (
github.com/btcsuite/btcd/btcec/v2 v2.2.0
github.com/consensys/gnark-crypto v0.12.1
github.com/crate-crypto/go-kzg-4844 v0.7.0
github.com/davecgh/go-spew v1.1.1
github.com/google/gofuzz v1.1.1-0.20200604201612-c04b05f3adfa
github.com/holiman/uint256 v1.2.0
github.com/jedisct1/go-minisign v0.0.0-20190909160543-45766022959e
github.com/ethereum/c-kzg-4844/bindings/go v0.0.0-20230126171313-363c7d7593b4
github.com/google/gofuzz v1.2.0
github.com/holiman/uint256 v1.2.4
github.com/jedisct1/go-minisign v0.0.0-20230811132847-661be99b8267
github.com/kylelemons/godebug v1.1.0
github.com/stretchr/testify v1.7.2
golang.org/x/crypto v0.1.0
golang.org/x/sys v0.5.0
github.com/openrelayxyz/cardinal-types v1.1.1
github.com/stretchr/testify v1.8.4
golang.org/x/crypto v0.17.0
golang.org/x/sys v0.15.0
golang.org/x/tools v0.15.0
)
require (
github.com/bits-and-blooms/bitset v1.10.0 // indirect
github.com/consensys/bavard v0.1.13 // indirect
github.com/decred/dcrd/dcrec/secp256k1/v4 v4.0.1 // indirect
github.com/kr/pretty v0.1.0 // indirect
github.com/kr/text v0.2.0 // indirect
github.com/mmcloughlin/addchain v0.4.0 // indirect
github.com/pmezard/go-difflib v1.0.0 // indirect
gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 // indirect
github.com/rogpeppe/go-internal v1.12.0 // indirect
github.com/supranational/blst v0.3.11 // indirect
golang.org/x/mod v0.14.0 // indirect
golang.org/x/sync v0.5.0 // indirect
gopkg.in/yaml.v3 v3.0.1 // indirect
rsc.io/tmplfunc v0.0.3 // indirect
)

94
go.sum
View File

@ -1,6 +1,16 @@
github.com/aws/aws-sdk-go v1.44.36/go.mod h1:y4AeaBuwd2Lk+GepC1E9v0qOiTws0MIWAX4oIKwKHZo=
github.com/bits-and-blooms/bitset v1.10.0 h1:ePXTeiPEazB5+opbv5fr8umg2R/1NlzgDsyepwsSr88=
github.com/bits-and-blooms/bitset v1.10.0/go.mod h1:7hO7Gc7Pp1vODcmWvKMRA9BNmbv6a/7QIWpPxHddWR8=
github.com/btcsuite/btcd/btcec/v2 v2.2.0 h1:fzn1qaOt32TuLjFlkzYSsBC35Q3KUjT1SwPxiMSCF5k=
github.com/btcsuite/btcd/btcec/v2 v2.2.0/go.mod h1:U7MHm051Al6XmscBQ0BoNydpOTsFAn707034b5nY8zU=
github.com/btcsuite/btcd/chaincfg/chainhash v1.0.1 h1:q0rUy8C/TYNBQS1+CGKw68tLOFYSNEs0TFnxxnS9+4U=
github.com/consensys/bavard v0.1.13 h1:oLhMLOFGTLdlda/kma4VOJazblc7IM5y5QPd2A/YjhQ=
github.com/consensys/bavard v0.1.13/go.mod h1:9ItSMtA/dXMAiL7BG6bqW2m3NdSEObYWoH223nGHukI=
github.com/consensys/gnark-crypto v0.12.1 h1:lHH39WuuFgVHONRl3J0LRBtuYdQTumFSDtJF7HpyG8M=
github.com/consensys/gnark-crypto v0.12.1/go.mod h1:v2Gy7L/4ZRosZ7Ivs+9SfUDr0f5UlG+EM5t7MPHiLuY=
github.com/crate-crypto/go-kzg-4844 v0.7.0 h1:C0vgZRk4q4EZ/JgPfzuSoxdCq3C3mOZMBShovmncxvA=
github.com/crate-crypto/go-kzg-4844 v0.7.0/go.mod h1:1kMhvPgI0Ky3yIa+9lFySEBUBXkYxeOi8ZF1sYioxhc=
github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
@ -8,36 +18,70 @@ github.com/decred/dcrd/crypto/blake256 v1.0.0 h1:/8DMNYp9SGi5f0w7uCm6d6M4OU2rGFK
github.com/decred/dcrd/crypto/blake256 v1.0.0/go.mod h1:sQl2p6Y26YV+ZOcSTP6thNdn47hh8kt6rqSlvmrXFAc=
github.com/decred/dcrd/dcrec/secp256k1/v4 v4.0.1 h1:YLtO71vCjJRCBcrPMtQ9nqBsqpA1m5sE92cU+pd5Mcc=
github.com/decred/dcrd/dcrec/secp256k1/v4 v4.0.1/go.mod h1:hyedUtir6IdtD/7lIxGeCxkaw7y45JueMRL4DIyJDKs=
github.com/google/gofuzz v1.1.1-0.20200604201612-c04b05f3adfa h1:Q75Upo5UN4JbPFURXZ8nLKYUvF85dyFRop/vQ0Rv+64=
github.com/google/gofuzz v1.1.1-0.20200604201612-c04b05f3adfa/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
github.com/holiman/uint256 v1.2.0 h1:gpSYcPLWGv4sG43I2mVLiDZCNDh/EpGjSk8tmtxitHM=
github.com/holiman/uint256 v1.2.0/go.mod h1:y4ga/t+u+Xwd7CpDgZESaRcWy0I7XMlTMA25ApIH5Jw=
github.com/jedisct1/go-minisign v0.0.0-20190909160543-45766022959e h1:UvSe12bq+Uj2hWd8aOlwPmoZ+CITRFrdit+sDGfAg8U=
github.com/jedisct1/go-minisign v0.0.0-20190909160543-45766022959e/go.mod h1:G1CVv03EnqU1wYL2dFwXxW2An0az9JTl/ZsqXQeBlkU=
github.com/kr/pretty v0.1.0 h1:L/CwN0zerZDmRFUapSPitk6f+Q3+0za1rQkzVuMiMFI=
github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE=
github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
github.com/ethereum/c-kzg-4844/bindings/go v0.0.0-20230126171313-363c7d7593b4 h1:B2mpK+MNqgPqk2/KNi1LbqwtZDy5F7iy0mynQiBr8VA=
github.com/ethereum/c-kzg-4844/bindings/go v0.0.0-20230126171313-363c7d7593b4/go.mod h1:y4GA2JbAUama1S4QwYjC2hefgGLU8Ul0GMtL/ADMF1c=
github.com/go-stack/stack v1.8.1/go.mod h1:dcoOX6HbPZSZptuspn9bctJ+N/CnF5gGygcUP3XYfe4=
github.com/google/gofuzz v1.2.0 h1:xRy4A+RhZaiKjJ1bPfwQ8sedCA+YS2YcCHW6ec7JMi0=
github.com/google/gofuzz v1.2.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
github.com/google/subcommands v1.2.0/go.mod h1:ZjhPrFU+Olkh9WazFPsl27BQ4UPiG37m3yTrtFlrHVk=
github.com/holiman/uint256 v1.2.4 h1:jUc4Nk8fm9jZabQuqr2JzednajVmBpC+oiTiXZJEApU=
github.com/holiman/uint256 v1.2.4/go.mod h1:EOMSn4q6Nyt9P6efbI3bueV4e1b3dGlUCXeiRV4ng7E=
github.com/inconshreveable/log15 v0.0.0-20201112154412-8562bdadbbac/go.mod h1:cOaXtrgN4ScfRrD9Bre7U1thNq5RtJ8ZoP4iXVGRj6o=
github.com/jedisct1/go-minisign v0.0.0-20230811132847-661be99b8267 h1:TMtDYDHKYY15rFihtRfck/bfFqNfvcabqvXAFQfAUpY=
github.com/jedisct1/go-minisign v0.0.0-20230811132847-661be99b8267/go.mod h1:h1nSAbGFqGVzn6Jyl1R/iCcBUHN4g+gW1u9CoBTrb9E=
github.com/jmespath/go-jmespath v0.4.0/go.mod h1:T8mJZnbsbmF+m6zOOFylbeCJqk5+pHWvzYPziyZiYoo=
github.com/jmespath/go-jmespath/internal/testify v1.5.1/go.mod h1:L3OGu8Wl2/fWfCI6z80xFu9LTZmf1ZRjMHUOPmWr69U=
github.com/kr/pretty v0.3.1 h1:flRD4NNwYAUpkphVc1HcthR4KEIFJ65n8Mw5qdRn3LE=
github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
github.com/kylelemons/godebug v1.1.0 h1:RPNrshWIDI6G2gRW9EHilWtl7Z6Sb1BR0xunSBf0SNc=
github.com/kylelemons/godebug v1.1.0/go.mod h1:9/0rRGxNHcop5bhtWyNeEfOS8JIWk580+fNqagV/RAw=
github.com/leanovate/gopter v0.2.9 h1:fQjYxZaynp97ozCzfOyOuAGOU4aU/z37zf/tOujFk7c=
github.com/mattn/go-colorable v0.1.12/go.mod h1:u5H1YNBxpqRaxsYJYSkiCWKzEfiAb1Gb520KVy5xxl4=
github.com/mattn/go-isatty v0.0.14/go.mod h1:7GGIvUiUoEMVVmxf/4nioHXj79iQHKdU27kJ6hsGG94=
github.com/mmcloughlin/addchain v0.4.0 h1:SobOdjm2xLj1KkXN5/n0xTIWyZA2+s99UCY1iPfkHRY=
github.com/mmcloughlin/addchain v0.4.0/go.mod h1:A86O+tHqZLMNO4w6ZZ4FlVQEadcoqkyU72HC5wJ4RlU=
github.com/mmcloughlin/profile v0.1.1/go.mod h1:IhHD7q1ooxgwTgjxQYkACGA77oFTDdFVejUS1/tS/qU=
github.com/openrelayxyz/cardinal-types v1.1.1 h1:Lw6Lr/eiHYCnLi851rciCzw/1S3UytUX7kj5zh3QS/Y=
github.com/openrelayxyz/cardinal-types v1.1.1/go.mod h1:8aaMg6i94V0hhWe3V6Fzc0RSggMx+/Kabsf5o7wMf/E=
github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
github.com/pubnub/go-metrics-statsd v0.0.0-20170124014003-7da61f429d6b/go.mod h1:5UoZ1X6PWZWpPxwpR8qZ/qTN2BXIrrYTV9j+6TaQngA=
github.com/rcrowley/go-metrics v0.0.0-20201227073835-cf1acfcdf475/go.mod h1:bCqnVzQkZxMG4s8nGwiZ5l3QUCyqpo9Y+/ZMZ9VjZe4=
github.com/rogpeppe/go-internal v1.12.0 h1:exVL4IDcn6na9z1rAb56Vxr+CgyK3nn3O+epU5NdKM8=
github.com/rogpeppe/go-internal v1.12.0/go.mod h1:E+RYuTGaKKdloAfM02xzb0FW3Paa99yedzYV+kq4uf4=
github.com/savaki/cloudmetrics v0.0.0-20160314183336-c82bfea3c09e/go.mod h1:KzTM/+pS9NbNPoC7/EBZq77Za7His7hp1NJhA0DrMns=
github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
github.com/stretchr/testify v1.7.2 h1:4jaiDzPyXQvSd7D0EjG45355tLlV3VOECpq10pLC+8s=
github.com/stretchr/testify v1.7.2/go.mod h1:R6va5+xMeoiuVRoj+gSkQ7d3FALtqAAGI1FQKckRals=
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
golang.org/x/crypto v0.0.0-20190909091759-094676da4a83/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
golang.org/x/crypto v0.1.0 h1:MDRAIl0xIo9Io2xV565hzXHw3zVseKrJKodhohM5CjU=
golang.org/x/crypto v0.1.0/go.mod h1:RecgLatLF4+eUMCP1PoPZQb+cVrJcOPbHkTkbkB9sbw=
golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.5.0 h1:MUK/U/4lj1t1oPg0HfuXDN/Z1wv31ZJ/YcPiGccS4DU=
golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
github.com/stretchr/testify v1.8.4 h1:CcVxjf3Q8PM0mHUKJCdn+eZZtm5yQwehR5yeSVQQcUk=
github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
github.com/supranational/blst v0.3.11 h1:LyU6FolezeWAhvQk0k6O/d49jqgO52MSDDfYgbeoEm4=
github.com/supranational/blst v0.3.11/go.mod h1:jZJtfjgudtNl4en1tzwPIV3KjUnQUvG3/j+w+fVonLw=
golang.org/x/crypto v0.17.0 h1:r8bRNjWL3GshPW3gkd+RpvzWrZAwPS49OmTGZ/uhM4k=
golang.org/x/crypto v0.17.0/go.mod h1:gCAAfMLgwOJRpTjQ2zCCt2OcSfYMTeZVSRtQlPC7Nq4=
golang.org/x/mod v0.14.0 h1:dGoOF9QVLYng8IHTm7BAyWqCqSheQ5pYWGhzW00YJr0=
golang.org/x/mod v0.14.0/go.mod h1:hTbmBsO62+eylJbnUtE2MGJUyE7QWk4xUqPFrRgJ+7c=
golang.org/x/net v0.0.0-20220127200216-cd36cc0744dd/go.mod h1:CfG3xpIq0wQ8r1q4Su4UZFWDARRcnwPjda9FqA0JpMk=
golang.org/x/net v0.0.0-20220615171555-694bf12d69de/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c=
golang.org/x/sync v0.5.0 h1:60k92dhOjHxJkrqnwsfl8KuaHbn/5dl0lUPUklKo3qE=
golang.org/x/sync v0.5.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.0.0-20210630005230-0f9fa26af87c/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.0.0-20210927094055-39ccf1dd6fa6/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.0.0-20211216021012-1d35b9e2eb4e/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.15.0 h1:h48lPFYpsTvQJZF4EKyI4aLHaev3CxivZmv7yZig9pc=
golang.org/x/sys v0.15.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
golang.org/x/tools v0.15.0 h1:zdAyfUGbYmuVokhzVmghFl2ZJh5QhcfebBgmVPFYA+8=
golang.org/x/tools v0.15.0/go.mod h1:hpksKq4dtpQWS1uQ61JkdqWM3LscIS6Slf+VVkm+wQk=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 h1:qIbj1fsPNlZgppZ+VLlY7N33q108Sa+fhmuc+sWQYwY=
gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
rsc.io/tmplfunc v0.0.3 h1:53XFQh69AfOa8Tw0Jm7t+GV7KZhOi6jzsCzTtKbMvzU=
rsc.io/tmplfunc v0.0.3/go.mod h1:AG3sTPzElb1Io3Yg4voV9AGZJuleGAwaVRxL9M49PhA=

110
restricted/crypto/kzg4844/kzg4844.go Normal file
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@ -0,0 +1,110 @@
// Copyright 2023 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
// Package kzg4844 implements the KZG crypto for EIP-4844.
package kzg4844
import (
"embed"
"errors"
"sync/atomic"
)
//go:embed trusted_setup.json
var content embed.FS
// Blob represents a 4844 data blob.
type Blob [131072]byte
// Commitment is a serialized commitment to a polynomial.
type Commitment [48]byte
// Proof is a serialized commitment to the quotient polynomial.
type Proof [48]byte
// Point is a BLS field element.
type Point [32]byte
// Claim is a claimed evaluation value in a specific point.
type Claim [32]byte
// useCKZG controls whether the cryptography should use the Go or C backend.
var useCKZG atomic.Bool
// UseCKZG can be called to switch the default Go implementation of KZG to the C
// library if fo some reason the user wishes to do so (e.g. consensus bug in one
// or the other).
func UseCKZG(use bool) error {
if use && !ckzgAvailable {
return errors.New("CKZG unavailable on your platform")
}
useCKZG.Store(use)
// Initializing the library can take 2-4 seconds - and can potentially crash
// on CKZG and non-ADX CPUs - so might as well do it now and don't wait until
// a crypto operation is actually needed live.
if use {
ckzgIniter.Do(ckzgInit)
} else {
gokzgIniter.Do(gokzgInit)
}
return nil
}
// BlobToCommitment creates a small commitment out of a data blob.
func BlobToCommitment(blob Blob) (Commitment, error) {
if useCKZG.Load() {
return ckzgBlobToCommitment(blob)
}
return gokzgBlobToCommitment(blob)
}
// ComputeProof computes the KZG proof at the given point for the polynomial
// represented by the blob.
func ComputeProof(blob Blob, point Point) (Proof, Claim, error) {
if useCKZG.Load() {
return ckzgComputeProof(blob, point)
}
return gokzgComputeProof(blob, point)
}
// VerifyProof verifies the KZG proof that the polynomial represented by the blob
// evaluated at the given point is the claimed value.
func VerifyProof(commitment Commitment, point Point, claim Claim, proof Proof) error {
if useCKZG.Load() {
return ckzgVerifyProof(commitment, point, claim, proof)
}
return gokzgVerifyProof(commitment, point, claim, proof)
}
// ComputeBlobProof returns the KZG proof that is used to verify the blob against
// the commitment.
//
// This method does not verify that the commitment is correct with respect to blob.
func ComputeBlobProof(blob Blob, commitment Commitment) (Proof, error) {
if useCKZG.Load() {
return ckzgComputeBlobProof(blob, commitment)
}
return gokzgComputeBlobProof(blob, commitment)
}
// VerifyBlobProof verifies that the blob data corresponds to the provided commitment.
func VerifyBlobProof(blob Blob, commitment Commitment, proof Proof) error {
if useCKZG.Load() {
return ckzgVerifyBlobProof(blob, commitment, proof)
}
return gokzgVerifyBlobProof(blob, commitment, proof)
}

127
restricted/crypto/kzg4844/kzg4844_ckzg_cgo.go Normal file
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@ -0,0 +1,127 @@
// Copyright 2023 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
//go:build ckzg && !nacl && !js && cgo && !gofuzz
package kzg4844
import (
"encoding/json"
"errors"
"sync"
gokzg4844 "github.com/crate-crypto/go-kzg-4844"
ckzg4844 "github.com/ethereum/c-kzg-4844/bindings/go"
"github.com/openrelayxyz/cardinal-types/hexutil"
)
// ckzgAvailable signals whether the library was compiled into Geth.
const ckzgAvailable = true
// ckzgIniter ensures that we initialize the KZG library once before using it.
var ckzgIniter sync.Once
// ckzgInit initializes the KZG library with the provided trusted setup.
func ckzgInit() {
config, err := content.ReadFile("trusted_setup.json")
if err != nil {
panic(err)
}
params := new(gokzg4844.JSONTrustedSetup)
if err = json.Unmarshal(config, params); err != nil {
panic(err)
}
if err = gokzg4844.CheckTrustedSetupIsWellFormed(params); err != nil {
panic(err)
}
g1s := make([]byte, len(params.SetupG1Lagrange)*(len(params.SetupG1Lagrange[0])-2)/2)
for i, g1 := range params.SetupG1Lagrange {
copy(g1s[i*(len(g1)-2)/2:], hexutil.MustDecode(g1))
}
g2s := make([]byte, len(params.SetupG2)*(len(params.SetupG2[0])-2)/2)
for i, g2 := range params.SetupG2 {
copy(g2s[i*(len(g2)-2)/2:], hexutil.MustDecode(g2))
}
if err = ckzg4844.LoadTrustedSetup(g1s, g2s); err != nil {
panic(err)
}
}
// ckzgBlobToCommitment creates a small commitment out of a data blob.
func ckzgBlobToCommitment(blob Blob) (Commitment, error) {
ckzgIniter.Do(ckzgInit)
commitment, err := ckzg4844.BlobToKZGCommitment((ckzg4844.Blob)(blob))
if err != nil {
return Commitment{}, err
}
return (Commitment)(commitment), nil
}
// ckzgComputeProof computes the KZG proof at the given point for the polynomial
// represented by the blob.
func ckzgComputeProof(blob Blob, point Point) (Proof, Claim, error) {
ckzgIniter.Do(ckzgInit)
proof, claim, err := ckzg4844.ComputeKZGProof((ckzg4844.Blob)(blob), (ckzg4844.Bytes32)(point))
if err != nil {
return Proof{}, Claim{}, err
}
return (Proof)(proof), (Claim)(claim), nil
}
// ckzgVerifyProof verifies the KZG proof that the polynomial represented by the blob
// evaluated at the given point is the claimed value.
func ckzgVerifyProof(commitment Commitment, point Point, claim Claim, proof Proof) error {
ckzgIniter.Do(ckzgInit)
valid, err := ckzg4844.VerifyKZGProof((ckzg4844.Bytes48)(commitment), (ckzg4844.Bytes32)(point), (ckzg4844.Bytes32)(claim), (ckzg4844.Bytes48)(proof))
if err != nil {
return err
}
if !valid {
return errors.New("invalid proof")
}
return nil
}
// ckzgComputeBlobProof returns the KZG proof that is used to verify the blob against
// the commitment.
//
// This method does not verify that the commitment is correct with respect to blob.
func ckzgComputeBlobProof(blob Blob, commitment Commitment) (Proof, error) {
ckzgIniter.Do(ckzgInit)
proof, err := ckzg4844.ComputeBlobKZGProof((ckzg4844.Blob)(blob), (ckzg4844.Bytes48)(commitment))
if err != nil {
return Proof{}, err
}
return (Proof)(proof), nil
}
// ckzgVerifyBlobProof verifies that the blob data corresponds to the provided commitment.
func ckzgVerifyBlobProof(blob Blob, commitment Commitment, proof Proof) error {
ckzgIniter.Do(ckzgInit)
valid, err := ckzg4844.VerifyBlobKZGProof((ckzg4844.Blob)(blob), (ckzg4844.Bytes48)(commitment), (ckzg4844.Bytes48)(proof))
if err != nil {
return err
}
if !valid {
return errors.New("invalid proof")
}
return nil
}

62
restricted/crypto/kzg4844/kzg4844_ckzg_nocgo.go Normal file
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@ -0,0 +1,62 @@
// Copyright 2023 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
//go:build !ckzg || nacl || js || !cgo || gofuzz
package kzg4844
import "sync"
// ckzgAvailable signals whether the library was compiled into Geth.
const ckzgAvailable = false
// ckzgIniter ensures that we initialize the KZG library once before using it.
var ckzgIniter sync.Once
// ckzgInit initializes the KZG library with the provided trusted setup.
func ckzgInit() {
panic("unsupported platform")
}
// ckzgBlobToCommitment creates a small commitment out of a data blob.
func ckzgBlobToCommitment(blob Blob) (Commitment, error) {
panic("unsupported platform")
}
// ckzgComputeProof computes the KZG proof at the given point for the polynomial
// represented by the blob.
func ckzgComputeProof(blob Blob, point Point) (Proof, Claim, error) {
panic("unsupported platform")
}
// ckzgVerifyProof verifies the KZG proof that the polynomial represented by the blob
// evaluated at the given point is the claimed value.
func ckzgVerifyProof(commitment Commitment, point Point, claim Claim, proof Proof) error {
panic("unsupported platform")
}
// ckzgComputeBlobProof returns the KZG proof that is used to verify the blob against
// the commitment.
//
// This method does not verify that the commitment is correct with respect to blob.
func ckzgComputeBlobProof(blob Blob, commitment Commitment) (Proof, error) {
panic("unsupported platform")
}
// ckzgVerifyBlobProof verifies that the blob data corresponds to the provided commitment.
func ckzgVerifyBlobProof(blob Blob, commitment Commitment, proof Proof) error {
panic("unsupported platform")
}

98
restricted/crypto/kzg4844/kzg4844_gokzg.go Normal file
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@ -0,0 +1,98 @@
// Copyright 2023 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package kzg4844
import (
"encoding/json"
"sync"
gokzg4844 "github.com/crate-crypto/go-kzg-4844"
)
// context is the crypto primitive pre-seeded with the trusted setup parameters.
var context *gokzg4844.Context
// gokzgIniter ensures that we initialize the KZG library once before using it.
var gokzgIniter sync.Once
// gokzgInit initializes the KZG library with the provided trusted setup.
func gokzgInit() {
config, err := content.ReadFile("trusted_setup.json")
if err != nil {
panic(err)
}
params := new(gokzg4844.JSONTrustedSetup)
if err = json.Unmarshal(config, params); err != nil {
panic(err)
}
context, err = gokzg4844.NewContext4096(params)
if err != nil {
panic(err)
}
}
// gokzgBlobToCommitment creates a small commitment out of a data blob.
func gokzgBlobToCommitment(blob Blob) (Commitment, error) {
gokzgIniter.Do(gokzgInit)
commitment, err := context.BlobToKZGCommitment((gokzg4844.Blob)(blob), 0)
if err != nil {
return Commitment{}, err
}
return (Commitment)(commitment), nil
}
// gokzgComputeProof computes the KZG proof at the given point for the polynomial
// represented by the blob.
func gokzgComputeProof(blob Blob, point Point) (Proof, Claim, error) {
gokzgIniter.Do(gokzgInit)
proof, claim, err := context.ComputeKZGProof((gokzg4844.Blob)(blob), (gokzg4844.Scalar)(point), 0)
if err != nil {
return Proof{}, Claim{}, err
}
return (Proof)(proof), (Claim)(claim), nil
}
// gokzgVerifyProof verifies the KZG proof that the polynomial represented by the blob
// evaluated at the given point is the claimed value.
func gokzgVerifyProof(commitment Commitment, point Point, claim Claim, proof Proof) error {
gokzgIniter.Do(gokzgInit)
return context.VerifyKZGProof((gokzg4844.KZGCommitment)(commitment), (gokzg4844.Scalar)(point), (gokzg4844.Scalar)(claim), (gokzg4844.KZGProof)(proof))
}
// gokzgComputeBlobProof returns the KZG proof that is used to verify the blob against
// the commitment.
//
// This method does not verify that the commitment is correct with respect to blob.
func gokzgComputeBlobProof(blob Blob, commitment Commitment) (Proof, error) {
gokzgIniter.Do(gokzgInit)
proof, err := context.ComputeBlobKZGProof((gokzg4844.Blob)(blob), (gokzg4844.KZGCommitment)(commitment), 0)
if err != nil {
return Proof{}, err
}
return (Proof)(proof), nil
}
// gokzgVerifyBlobProof verifies that the blob data corresponds to the provided commitment.
func gokzgVerifyBlobProof(blob Blob, commitment Commitment, proof Proof) error {
gokzgIniter.Do(gokzgInit)
return context.VerifyBlobKZGProof((gokzg4844.Blob)(blob), (gokzg4844.KZGCommitment)(commitment), (gokzg4844.KZGProof)(proof))
}

195
restricted/crypto/kzg4844/kzg4844_test.go Normal file
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@ -0,0 +1,195 @@
// Copyright 2023 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package kzg4844
import (
"crypto/rand"
"testing"
"github.com/consensys/gnark-crypto/ecc/bls12-381/fr"
gokzg4844 "github.com/crate-crypto/go-kzg-4844"
)
func randFieldElement() [32]byte {
bytes := make([]byte, 32)
_, err := rand.Read(bytes)
if err != nil {
panic("failed to get random field element")
}
var r fr.Element
r.SetBytes(bytes)
return gokzg4844.SerializeScalar(r)
}
func randBlob() Blob {
var blob Blob
for i := 0; i < len(blob); i += gokzg4844.SerializedScalarSize {
fieldElementBytes := randFieldElement()
copy(blob[i:i+gokzg4844.SerializedScalarSize], fieldElementBytes[:])
}
return blob
}
func TestCKZGWithPoint(t *testing.T) { testKZGWithPoint(t, true) }
func TestGoKZGWithPoint(t *testing.T) { testKZGWithPoint(t, false) }
func testKZGWithPoint(t *testing.T, ckzg bool) {
if ckzg && !ckzgAvailable {
t.Skip("CKZG unavailable in this test build")
}
defer func(old bool) { useCKZG.Store(old) }(useCKZG.Load())
useCKZG.Store(ckzg)
blob := randBlob()
commitment, err := BlobToCommitment(blob)
if err != nil {
t.Fatalf("failed to create KZG commitment from blob: %v", err)
}
point := randFieldElement()
proof, claim, err := ComputeProof(blob, point)
if err != nil {
t.Fatalf("failed to create KZG proof at point: %v", err)
}
if err := VerifyProof(commitment, point, claim, proof); err != nil {
t.Fatalf("failed to verify KZG proof at point: %v", err)
}
}
func TestCKZGWithBlob(t *testing.T) { testKZGWithBlob(t, true) }
func TestGoKZGWithBlob(t *testing.T) { testKZGWithBlob(t, false) }
func testKZGWithBlob(t *testing.T, ckzg bool) {
if ckzg && !ckzgAvailable {
t.Skip("CKZG unavailable in this test build")
}
defer func(old bool) { useCKZG.Store(old) }(useCKZG.Load())
useCKZG.Store(ckzg)
blob := randBlob()
commitment, err := BlobToCommitment(blob)
if err != nil {
t.Fatalf("failed to create KZG commitment from blob: %v", err)
}
proof, err := ComputeBlobProof(blob, commitment)
if err != nil {
t.Fatalf("failed to create KZG proof for blob: %v", err)
}
if err := VerifyBlobProof(blob, commitment, proof); err != nil {
t.Fatalf("failed to verify KZG proof for blob: %v", err)
}
}
func BenchmarkCKZGBlobToCommitment(b *testing.B) { benchmarkBlobToCommitment(b, true) }
func BenchmarkGoKZGBlobToCommitment(b *testing.B) { benchmarkBlobToCommitment(b, false) }
func benchmarkBlobToCommitment(b *testing.B, ckzg bool) {
if ckzg && !ckzgAvailable {
b.Skip("CKZG unavailable in this test build")
}
defer func(old bool) { useCKZG.Store(old) }(useCKZG.Load())
useCKZG.Store(ckzg)
blob := randBlob()
b.ResetTimer()
for i := 0; i < b.N; i++ {
BlobToCommitment(blob)
}
}
func BenchmarkCKZGComputeProof(b *testing.B) { benchmarkComputeProof(b, true) }
func BenchmarkGoKZGComputeProof(b *testing.B) { benchmarkComputeProof(b, false) }
func benchmarkComputeProof(b *testing.B, ckzg bool) {
if ckzg && !ckzgAvailable {
b.Skip("CKZG unavailable in this test build")
}
defer func(old bool) { useCKZG.Store(old) }(useCKZG.Load())
useCKZG.Store(ckzg)
var (
blob = randBlob()
point = randFieldElement()
)
b.ResetTimer()
for i := 0; i < b.N; i++ {
ComputeProof(blob, point)
}
}
func BenchmarkCKZGVerifyProof(b *testing.B) { benchmarkVerifyProof(b, true) }
func BenchmarkGoKZGVerifyProof(b *testing.B) { benchmarkVerifyProof(b, false) }
func benchmarkVerifyProof(b *testing.B, ckzg bool) {
if ckzg && !ckzgAvailable {
b.Skip("CKZG unavailable in this test build")
}
defer func(old bool) { useCKZG.Store(old) }(useCKZG.Load())
useCKZG.Store(ckzg)
var (
blob = randBlob()
point = randFieldElement()
commitment, _ = BlobToCommitment(blob)
proof, claim, _ = ComputeProof(blob, point)
)
b.ResetTimer()
for i := 0; i < b.N; i++ {
VerifyProof(commitment, point, claim, proof)
}
}
func BenchmarkCKZGComputeBlobProof(b *testing.B) { benchmarkComputeBlobProof(b, true) }
func BenchmarkGoKZGComputeBlobProof(b *testing.B) { benchmarkComputeBlobProof(b, false) }
func benchmarkComputeBlobProof(b *testing.B, ckzg bool) {
if ckzg && !ckzgAvailable {
b.Skip("CKZG unavailable in this test build")
}
defer func(old bool) { useCKZG.Store(old) }(useCKZG.Load())
useCKZG.Store(ckzg)
var (
blob = randBlob()
commitment, _ = BlobToCommitment(blob)
)
b.ResetTimer()
for i := 0; i < b.N; i++ {
ComputeBlobProof(blob, commitment)
}
}
func BenchmarkCKZGVerifyBlobProof(b *testing.B) { benchmarkVerifyBlobProof(b, true) }
func BenchmarkGoKZGVerifyBlobProof(b *testing.B) { benchmarkVerifyBlobProof(b, false) }
func benchmarkVerifyBlobProof(b *testing.B, ckzg bool) {
if ckzg && !ckzgAvailable {
b.Skip("CKZG unavailable in this test build")
}
defer func(old bool) { useCKZG.Store(old) }(useCKZG.Load())
useCKZG.Store(ckzg)
var (
blob = randBlob()
commitment, _ = BlobToCommitment(blob)
proof, _ = ComputeBlobProof(blob, commitment)
)
b.ResetTimer()
for i := 0; i < b.N; i++ {
VerifyBlobProof(blob, commitment, proof)
}
}

4167
restricted/crypto/kzg4844/trusted_setup.json Normal file
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File diff suppressed because it is too large Load Diff

5
restricted/hasher/statetrie.go
View File

@ -21,7 +21,6 @@ import (
"bytes"
"encoding/gob"
"errors"
"fmt"
"io"
"sync"
@ -213,9 +212,7 @@ func (st *StackTrie) TryUpdate(key, value []byte) error {
}
func (st *StackTrie) Update(key, value []byte) {
if err := st.TryUpdate(key, value); err != nil {
fmt.Println("Unhandled trie error in StackTrie.Update:", err)
}
st.TryUpdate(key, value)
}
func (st *StackTrie) Reset() {

14
restricted/params/protocol_params.go
View File

@ -152,6 +152,20 @@ const (
Bls12381MapG1Gas uint64 = 5500 // Gas price for BLS12-381 mapping field element to G1 operation
Bls12381MapG2Gas uint64 = 110000 // Gas price for BLS12-381 mapping field element to G2 operation
BlobTxHashVersion = 0x01 // Version byte of the commitment hash
BlobTxBlobGasPerBlob = 1 << 17 // Gas consumption of a single data blob (== blob byte size)
BlobTxMaxDataGasPerBlock = 1 << 19 // Maximum consumable data gas for data blobs per block
BlobTxTargetDataGasPerBlock = 1 << 18 // Target consumable data gas for data blobs per block (for 1559-like pricing)
BlobTxDataGasPerBlob = 1 << 17 // Gas consumption of a single data blob (== blob byte size)
BlobTxMinDataGasprice = 1 // Minimum gas price for data blobs
BlobTxDataGaspriceUpdateFraction = 2225652 // Controls the maximum rate of change for data gas price
BlobTxPointEvaluationPrecompileGas = 50000 // Gas price for the point evaluation precompile.
BlobTxTargetBlobGasPerBlock = 1 << 18 // Target consumable blob gas for data blobs per block (for 1559-like pricing)
BlobTxMinBlobGasprice = 1 // Minimum gas price for data blobs
BlobTxBlobGaspriceUpdateFraction = 2225652 // Controls the maximum rate of change for blob gas price
// The Refund Quotient is the cap on how much of the used gas can be refunded. Before EIP-3529,
// up to half the consumed gas could be refunded. Redefined as 1/5th in EIP-3529
RefundQuotient uint64 = 2

270
restricted/rlp/decode.go
View File

@ -27,6 +27,9 @@ import (
"reflect"
"strings"
"sync"
"github.com/openrelayxyz/plugeth-utils/restricted/rlp/internal/rlpstruct"
"github.com/holiman/uint256"
)
//lint:ignore ST1012 EOL is not an error.
@ -50,6 +53,7 @@ var (
errUintOverflow = errors.New("rlp: uint overflow")
errNoPointer = errors.New("rlp: interface given to Decode must be a pointer")
errDecodeIntoNil = errors.New("rlp: pointer given to Decode must not be nil")
errUint256Large = errors.New("rlp: value too large for uint256")
streamPool = sync.Pool{
New: func() interface{} { return new(Stream) },
@ -86,7 +90,7 @@ func Decode(r io.Reader, val interface{}) error {
// DecodeBytes parses RLP data from b into val. Please see package-level documentation for
// the decoding rules. The input must contain exactly one value and no trailing data.
func DecodeBytes(b []byte, val interface{}) error {
r := bytes.NewReader(b)
r := (*sliceReader)(&b)
stream := streamPool.Get().(*Stream)
defer streamPool.Put(stream)
@ -95,7 +99,7 @@ func DecodeBytes(b []byte, val interface{}) error {
if err := stream.Decode(val); err != nil {
return err
}
if r.Len() > 0 {
if len(b) > 0 {
return ErrMoreThanOneValue
}
return nil
@ -146,9 +150,10 @@ func addErrorContext(err error, ctx string) error {
var (
decoderInterface = reflect.TypeOf(new(Decoder)).Elem()
bigInt = reflect.TypeOf(big.Int{})
u256Int = reflect.TypeOf(uint256.Int{})
)
func makeDecoder(typ reflect.Type, tags tags) (dec decoder, err error) {
func makeDecoder(typ reflect.Type, tags rlpstruct.Tags) (dec decoder, err error) {
kind := typ.Kind()
switch {
case typ == rawValueType:
@ -157,6 +162,10 @@ func makeDecoder(typ reflect.Type, tags tags) (dec decoder, err error) {
return decodeBigInt, nil
case typ.AssignableTo(bigInt):
return decodeBigIntNoPtr, nil
case typ == reflect.PtrTo(u256Int):
return decodeU256, nil
case typ == u256Int:
return decodeU256NoPtr, nil
case kind == reflect.Ptr:
return makePtrDecoder(typ, tags)
case reflect.PtrTo(typ).Implements(decoderInterface):
@ -220,55 +229,38 @@ func decodeBigIntNoPtr(s *Stream, val reflect.Value) error {
}
func decodeBigInt(s *Stream, val reflect.Value) error {
var buffer []byte
kind, size, err := s.Kind()
switch {
case err != nil:
return wrapStreamError(err, val.Type())
case kind == List:
return wrapStreamError(ErrExpectedString, val.Type())
case kind == Byte:
buffer = s.uintbuf[:1]
buffer[0] = s.byteval
s.kind = -1 // re-arm Kind
case size == 0:
// Avoid zero-length read.
s.kind = -1
case size <= uint64(len(s.uintbuf)):
// For integers smaller than s.uintbuf, allocating a buffer
// can be avoided.
buffer = s.uintbuf[:size]
if err := s.readFull(buffer); err != nil {
return wrapStreamError(err, val.Type())
}
// Reject inputs where single byte encoding should have been used.
if size == 1 && buffer[0] < 128 {
return wrapStreamError(ErrCanonSize, val.Type())
}
default:
// For large integers, a temporary buffer is needed.
buffer = make([]byte, size)
if err := s.readFull(buffer); err != nil {
return wrapStreamError(err, val.Type())
}
}
// Reject leading zero bytes.
if len(buffer) > 0 && buffer[0] == 0 {
return wrapStreamError(ErrCanonInt, val.Type())
}
// Set the integer bytes.
i := val.Interface().(*big.Int)
if i == nil {
i = new(big.Int)
val.Set(reflect.ValueOf(i))
}
i.SetBytes(buffer)
err := s.decodeBigInt(i)
if err != nil {
return wrapStreamError(err, val.Type())
}
return nil
}
func makeListDecoder(typ reflect.Type, tag tags) (decoder, error) {
func decodeU256NoPtr(s *Stream, val reflect.Value) error {
return decodeU256(s, val.Addr())
}
func decodeU256(s *Stream, val reflect.Value) error {
i := val.Interface().(*uint256.Int)
if i == nil {
i = new(uint256.Int)
val.Set(reflect.ValueOf(i))
}
err := s.ReadUint256(i)
if err != nil {
return wrapStreamError(err, val.Type())
}
return nil
}
func makeListDecoder(typ reflect.Type, tag rlpstruct.Tags) (decoder, error) {
etype := typ.Elem()
if etype.Kind() == reflect.Uint8 && !reflect.PtrTo(etype).Implements(decoderInterface) {
if typ.Kind() == reflect.Array {
@ -276,7 +268,7 @@ func makeListDecoder(typ reflect.Type, tag tags) (decoder, error) {
}
return decodeByteSlice, nil
}
etypeinfo := theTC.infoWhileGenerating(etype, tags{})
etypeinfo := theTC.infoWhileGenerating(etype, rlpstruct.Tags{})
if etypeinfo.decoderErr != nil {
return nil, etypeinfo.decoderErr
}
@ -286,7 +278,7 @@ func makeListDecoder(typ reflect.Type, tag tags) (decoder, error) {
dec = func(s *Stream, val reflect.Value) error {
return decodeListArray(s, val, etypeinfo.decoder)
}
case tag.tail:
case tag.Tail:
// A slice with "tail" tag can occur as the last field
// of a struct and is supposed to swallow all remaining
// list elements. The struct decoder already called s.List,
@ -379,7 +371,7 @@ func decodeByteArray(s *Stream, val reflect.Value) error {
if err != nil {
return err
}
slice := byteArrayBytes(val)
slice := byteArrayBytes(val, val.Len())
switch kind {
case Byte:
if len(slice) == 0 {
@ -451,16 +443,16 @@ func zeroFields(structval reflect.Value, fields []field) {
}
// makePtrDecoder creates a decoder that decodes into the pointer's element type.
func makePtrDecoder(typ reflect.Type, tag tags) (decoder, error) {
func makePtrDecoder(typ reflect.Type, tag rlpstruct.Tags) (decoder, error) {
etype := typ.Elem()
etypeinfo := theTC.infoWhileGenerating(etype, tags{})
etypeinfo := theTC.infoWhileGenerating(etype, rlpstruct.Tags{})
switch {
case etypeinfo.decoderErr != nil:
return nil, etypeinfo.decoderErr
case !tag.nilOK:
case !tag.NilOK:
return makeSimplePtrDecoder(etype, etypeinfo), nil
default:
return makeNilPtrDecoder(etype, etypeinfo, tag.nilKind), nil
return makeNilPtrDecoder(etype, etypeinfo, tag), nil
}
}
@ -481,9 +473,13 @@ func makeSimplePtrDecoder(etype reflect.Type, etypeinfo *typeinfo) decoder {
// values are decoded into a value of the element type, just like makePtrDecoder does.
//
// This decoder is used for pointer-typed struct fields with struct tag "nil".
func makeNilPtrDecoder(etype reflect.Type, etypeinfo *typeinfo, nilKind Kind) decoder {
func makeNilPtrDecoder(etype reflect.Type, etypeinfo *typeinfo, ts rlpstruct.Tags) decoder {
typ := reflect.PtrTo(etype)
nilPtr := reflect.Zero(typ)
// Determine the value kind that results in nil pointer.
nilKind := typeNilKind(etype, ts)
return func(s *Stream, val reflect.Value) (err error) {
kind, size, err := s.Kind()
if err != nil {
@ -659,6 +655,37 @@ func (s *Stream) Bytes() ([]byte, error) {
}
}
// ReadBytes decodes the next RLP value and stores the result in b.
// The value size must match len(b) exactly.
func (s *Stream) ReadBytes(b []byte) error {
kind, size, err := s.Kind()
if err != nil {
return err
}
switch kind {
case Byte:
if len(b) != 1 {
return fmt.Errorf("input value has wrong size 1, want %d", len(b))
}
b[0] = s.byteval
s.kind = -1 // rearm Kind
return nil
case String:
if uint64(len(b)) != size {
return fmt.Errorf("input value has wrong size %d, want %d", size, len(b))
}
if err = s.readFull(b); err != nil {
return err
}
if size == 1 && b[0] < 128 {
return ErrCanonSize
}
return nil
default:
return ErrExpectedString
}
}
// Raw reads a raw encoded value including RLP type information.
func (s *Stream) Raw() ([]byte, error) {
kind, size, err := s.Kind()
@ -687,10 +714,31 @@ func (s *Stream) Raw() ([]byte, error) {
// Uint reads an RLP string of up to 8 bytes and returns its contents
// as an unsigned integer. If the input does not contain an RLP string, the
// returned error will be ErrExpectedString.
//
// Deprecated: use s.Uint64 instead.
func (s *Stream) Uint() (uint64, error) {
return s.uint(64)
}
func (s *Stream) Uint64() (uint64, error) {
return s.uint(64)
}
func (s *Stream) Uint32() (uint32, error) {
i, err := s.uint(32)
return uint32(i), err
}
func (s *Stream) Uint16() (uint16, error) {
i, err := s.uint(16)
return uint16(i), err
}
func (s *Stream) Uint8() (uint8, error) {
i, err := s.uint(8)
return uint8(i), err
}
func (s *Stream) uint(maxbits int) (uint64, error) {
kind, size, err := s.Kind()
if err != nil {
@ -781,6 +829,104 @@ func (s *Stream) ListEnd() error {
return nil
}
// MoreDataInList reports whether the current list context contains
// more data to be read.
func (s *Stream) MoreDataInList() bool {
_, listLimit := s.listLimit()
return listLimit > 0
}
// BigInt decodes an arbitrary-size integer value.
func (s *Stream) BigInt() (*big.Int, error) {
i := new(big.Int)
if err := s.decodeBigInt(i); err != nil {
return nil, err
}
return i, nil
}
func (s *Stream) decodeBigInt(dst *big.Int) error {
var buffer []byte
kind, size, err := s.Kind()
switch {
case err != nil:
return err
case kind == List:
return ErrExpectedString
case kind == Byte:
buffer = s.uintbuf[:1]
buffer[0] = s.byteval
s.kind = -1 // re-arm Kind
case size == 0:
// Avoid zero-length read.
s.kind = -1
case size <= uint64(len(s.uintbuf)):
// For integers smaller than s.uintbuf, allocating a buffer
// can be avoided.
buffer = s.uintbuf[:size]
if err := s.readFull(buffer); err != nil {
return err
}
// Reject inputs where single byte encoding should have been used.
if size == 1 && buffer[0] < 128 {
return ErrCanonSize
}
default:
// For large integers, a temporary buffer is needed.
buffer = make([]byte, size)
if err := s.readFull(buffer); err != nil {
return err
}
}
// Reject leading zero bytes.
if len(buffer) > 0 && buffer[0] == 0 {
return ErrCanonInt
}
// Set the integer bytes.
dst.SetBytes(buffer)
return nil
}
// ReadUint256 decodes the next value as a uint256.
func (s *Stream) ReadUint256(dst *uint256.Int) error {
var buffer []byte
kind, size, err := s.Kind()
switch {
case err != nil:
return err
case kind == List:
return ErrExpectedString
case kind == Byte:
buffer = s.uintbuf[:1]
buffer[0] = s.byteval
s.kind = -1 // re-arm Kind
case size == 0:
// Avoid zero-length read.
s.kind = -1
case size <= uint64(len(s.uintbuf)):
// All possible uint256 values fit into s.uintbuf.
buffer = s.uintbuf[:size]
if err := s.readFull(buffer); err != nil {
return err
}
// Reject inputs where single byte encoding should have been used.
if size == 1 && buffer[0] < 128 {
return ErrCanonSize
}
default:
return errUint256Large
}
// Reject leading zero bytes.
if len(buffer) > 0 && buffer[0] == 0 {
return ErrCanonInt
}
// Set the integer bytes.
dst.SetBytes(buffer)
return nil
}
// Decode decodes a value and stores the result in the value pointed
// to by val. Please see the documentation for the Decode function
// to learn about the decoding rules.
@ -1036,3 +1182,23 @@ func (s *Stream) listLimit() (inList bool, limit uint64) {
}
return true, s.stack[len(s.stack)-1]
}
type sliceReader []byte
func (sr *sliceReader) Read(b []byte) (int, error) {
if len(*sr) == 0 {
return 0, io.EOF
}
n := copy(b, *sr)
*sr = (*sr)[n:]
return n, nil
}
func (sr *sliceReader) ReadByte() (byte, error) {
if len(*sr) == 0 {
return 0, io.EOF
}
b := (*sr)[0]
*sr = (*sr)[1:]
return b, nil
}

1168
restricted/rlp/decode_test.go
View File

File diff suppressed because it is too large Load Diff

11
restricted/rlp/doc.go
View File

@ -27,8 +27,7 @@ value zero equivalent to the empty string).
RLP values are distinguished by a type tag. The type tag precedes the value in the input
stream and defines the size and kind of the bytes that follow.
Encoding Rules
# Encoding Rules
Package rlp uses reflection and encodes RLP based on the Go type of the value.
@ -37,7 +36,7 @@ call EncodeRLP on nil pointer values.
To encode a pointer, the value being pointed to is encoded. A nil pointer to a struct
type, slice or array always encodes as an empty RLP list unless the slice or array has
elememt type byte. A nil pointer to any other value encodes as the empty string.
element type byte. A nil pointer to any other value encodes as the empty string.
Struct values are encoded as an RLP list of all their encoded public fields. Recursive
struct types are supported.
@ -58,8 +57,7 @@ An interface value encodes as the value contained in the interface.
Floating point numbers, maps, channels and functions are not supported.
Decoding Rules
# Decoding Rules
Decoding uses the following type-dependent rules:
@ -99,8 +97,7 @@ To decode into an interface value, one of these types is stored in the value:
Non-empty interface types are not supported when decoding.
Signed integers, floating point numbers, maps, channels and functions cannot be decoded into.
Struct Tags
# Struct Tags
As with other encoding packages, the "-" tag ignores fields.

174
restricted/rlp/encbuffer.go
View File

@ -20,7 +20,7 @@ import (
"encoding/binary"
"io"
"math/big"
// "reflect"
"reflect"
"sync"
"github.com/holiman/uint256"
@ -56,18 +56,18 @@ func (buf *encBuffer) size() int {
}
// makeBytes creates the encoder output.
func (w *encBuffer) makeBytes() []byte {
out := make([]byte, w.size())
w.copyTo(out)
func (buf *encBuffer) makeBytes() []byte {
out := make([]byte, buf.size())
buf.copyTo(out)
return out
}
func (w *encBuffer) copyTo(dst []byte) {
func (buf *encBuffer) copyTo(dst []byte) {
strpos := 0
pos := 0
for _, head := range w.lheads {
for _, head := range buf.lheads {
// write string data before header
n := copy(dst[pos:], w.str[strpos:head.offset])
n := copy(dst[pos:], buf.str[strpos:head.offset])
pos += n
strpos += n
// write the header
@ -75,7 +75,7 @@ func (w *encBuffer) copyTo(dst []byte) {
pos += len(enc)
}
// copy string data after the last list header
copy(dst[pos:], w.str[strpos:])
copy(dst[pos:], buf.str[strpos:])
}
// writeTo writes the encoder output to w.
@ -145,38 +145,38 @@ func (buf *encBuffer) writeString(s string) {
buf.writeBytes([]byte(s))
}
// // wordBytes is the number of bytes in a big.Word
// const wordBytes = (32 << (uint64(^big.Word(0)) >> 63)) / 8
// wordBytes is the number of bytes in a big.Word
const wordBytes = (32 << (uint64(^big.Word(0)) >> 63)) / 8
// writeBigInt writes i as an integer.
func (w *encBuffer) writeBigInt(i *big.Int) {
func (buf *encBuffer) writeBigInt(i *big.Int) {
bitlen := i.BitLen()
if bitlen <= 64 {
w.writeUint64(i.Uint64())
buf.writeUint64(i.Uint64())
return
}
// Integer is larger than 64 bits, encode from i.Bits().
// The minimal byte length is bitlen rounded up to the next
// multiple of 8, divided by 8.
length := ((bitlen + 7) & -8) >> 3
w.encodeStringHeader(length)
w.str = append(w.str, make([]byte, length)...)
buf.encodeStringHeader(length)
buf.str = append(buf.str, make([]byte, length)...)
index := length
buf := w.str[len(w.str)-length:]
bytesBuf := buf.str[len(buf.str)-length:]
for _, d := range i.Bits() {
for j := 0; j < wordBytes && index > 0; j++ {
index--
buf[index] = byte(d)
bytesBuf[index] = byte(d)
d >>= 8
}
}
}
// writeUint256 writes z as an integer.
func (w *encBuffer) writeUint256(z *uint256.Int) {
func (buf *encBuffer) writeUint256(z *uint256.Int) {
bitlen := z.BitLen()
if bitlen <= 64 {
w.writeUint64(z.Uint64())
buf.writeUint64(z.Uint64())
return
}
nBytes := byte((bitlen + 7) / 8)
@ -186,7 +186,7 @@ func (w *encBuffer) writeUint256(z *uint256.Int) {
binary.BigEndian.PutUint64(b[17:25], z[1])
binary.BigEndian.PutUint64(b[25:33], z[0])
b[32-nBytes] = 0x80 + nBytes
w.str = append(w.str, b[32-nBytes:]...)
buf.str = append(buf.str, b[32-nBytes:]...)
}
// list adds a new list header to the header stack. It returns the index of the header.
@ -206,14 +206,14 @@ func (buf *encBuffer) listEnd(index int) {
}
}
// func (buf *encBuffer) encode(val interface{}) error {
// rval := reflect.ValueOf(val)
// writer, err := cachedWriter(rval.Type())
// if err != nil {
// return err
// }
// return writer(rval, buf)
// }
func (buf *encBuffer) encode(val interface{}) error {
rval := reflect.ValueOf(val)
writer, err := cachedWriter(rval.Type())
if err != nil {
return err
}
return writer(rval, buf)
}
func (buf *encBuffer) encodeStringHeader(size int) {
if size < 56 {
@ -225,72 +225,72 @@ func (buf *encBuffer) encodeStringHeader(size int) {
}
}
// // encReader is the io.Reader returned by EncodeToReader.
// // It releases its encbuf at EOF.
// type encReader struct {
// buf *encBuffer // the buffer we're reading from. this is nil when we're at EOF.
// lhpos int // index of list header that we're reading
// strpos int // current position in string buffer
// piece []byte // next piece to be read
// }
// encReader is the io.Reader returned by EncodeToReader.
// It releases its encbuf at EOF.
type encReader struct {
buf *encBuffer // the buffer we're reading from. this is nil when we're at EOF.
lhpos int // index of list header that we're reading
strpos int // current position in string buffer
piece []byte // next piece to be read
}
// func (r *encReader) Read(b []byte) (n int, err error) {
// for {
// if r.piece = r.next(); r.piece == nil {
// // Put the encode buffer back into the pool at EOF when it
// // is first encountered. Subsequent calls still return EOF
// // as the error but the buffer is no longer valid.
// if r.buf != nil {
// encBufferPool.Put(r.buf)
// r.buf = nil
// }
// return n, io.EOF
// }
// nn := copy(b[n:], r.piece)
// n += nn
// if nn < len(r.piece) {
// // piece didn't fit, see you next time.
// r.piece = r.piece[nn:]
// return n, nil
// }
// r.piece = nil
// }
// }
func (r *encReader) Read(b []byte) (n int, err error) {
for {
if r.piece = r.next(); r.piece == nil {
// Put the encode buffer back into the pool at EOF when it
// is first encountered. Subsequent calls still return EOF
// as the error but the buffer is no longer valid.
if r.buf != nil {
encBufferPool.Put(r.buf)
r.buf = nil
}
return n, io.EOF
}
nn := copy(b[n:], r.piece)
n += nn
if nn < len(r.piece) {
// piece didn't fit, see you next time.
r.piece = r.piece[nn:]
return n, nil
}
r.piece = nil
}
}
// // next returns the next piece of data to be read.
// // it returns nil at EOF.
// func (r *encReader) next() []byte {
// switch {
// case r.buf == nil:
// return nil
// next returns the next piece of data to be read.
// it returns nil at EOF.
func (r *encReader) next() []byte {
switch {
case r.buf == nil:
return nil
// case r.piece != nil:
// // There is still data available for reading.
// return r.piece
case r.piece != nil:
// There is still data available for reading.
return r.piece
// case r.lhpos < len(r.buf.lheads):
// // We're before the last list header.
// head := r.buf.lheads[r.lhpos]
// sizebefore := head.offset - r.strpos
// if sizebefore > 0 {
// // String data before header.
// p := r.buf.str[r.strpos:head.offset]
// r.strpos += sizebefore
// return p
// }
// r.lhpos++
// return head.encode(r.buf.sizebuf[:])
case r.lhpos < len(r.buf.lheads):
// We're before the last list header.
head := r.buf.lheads[r.lhpos]
sizebefore := head.offset - r.strpos
if sizebefore > 0 {
// String data before header.
p := r.buf.str[r.strpos:head.offset]
r.strpos += sizebefore
return p
}
r.lhpos++
return head.encode(r.buf.sizebuf[:])
// case r.strpos < len(r.buf.str):
// // String data at the end, after all list headers.
// p := r.buf.str[r.strpos:]
// r.strpos = len(r.buf.str)
// return p
case r.strpos < len(r.buf.str):
// String data at the end, after all list headers.
p := r.buf.str[r.strpos:]
r.strpos = len(r.buf.str)
return p
// default:
// return nil
// }
// }
default:
return nil
}
}
func encBufferFromWriter(w io.Writer) *encBuffer {
switch w := w.(type) {

435
restricted/rlp/encode.go
View File

@ -17,20 +17,28 @@
package rlp
import (
"errors"
"fmt"
"io"
"math/big"
"reflect"
"sync"
"github.com/openrelayxyz/plugeth-utils/restricted/rlp/internal/rlpstruct"
"github.com/holiman/uint256"
)
var (
// Common encoded values.
// These are useful when implementing EncodeRLP.
// EmptyString is the encoding of an empty string.
EmptyString = []byte{0x80}
// EmptyList is the encoding of an empty list.
EmptyList = []byte{0xC0}
)
var ErrNegativeBigInt = errors.New("rlp: cannot encode negative big.Int")
// Encoder is implemented by types that require custom
// encoding rules or want to encode private fields.
type Encoder interface {
@ -51,30 +59,29 @@ type Encoder interface {
//
// Please see package-level documentation of encoding rules.
func Encode(w io.Writer, val interface{}) error {
if outer, ok := w.(*encbuf); ok {
// Encode was called by some type's EncodeRLP.
// Avoid copying by writing to the outer encbuf directly.
return outer.encode(val)
// Optimization: reuse *encBuffer when called by EncodeRLP.
if buf := encBufferFromWriter(w); buf != nil {
return buf.encode(val)
}
eb := encbufPool.Get().(*encbuf)
defer encbufPool.Put(eb)
eb.reset()
if err := eb.encode(val); err != nil {
buf := getEncBuffer()
defer encBufferPool.Put(buf)
if err := buf.encode(val); err != nil {
return err
}
return eb.toWriter(w)
return buf.writeTo(w)
}
// EncodeToBytes returns the RLP encoding of val.
// Please see package-level documentation for the encoding rules.
func EncodeToBytes(val interface{}) ([]byte, error) {
eb := encbufPool.Get().(*encbuf)
defer encbufPool.Put(eb)
eb.reset()
if err := eb.encode(val); err != nil {
buf := getEncBuffer()
defer encBufferPool.Put(buf)
if err := buf.encode(val); err != nil {
return nil, err
}
return eb.toBytes(), nil
return buf.makeBytes(), nil
}
// EncodeToReader returns a reader from which the RLP encoding of val
@ -83,12 +90,15 @@ func EncodeToBytes(val interface{}) ([]byte, error) {
//
// Please see the documentation of Encode for the encoding rules.
func EncodeToReader(val interface{}) (size int, r io.Reader, err error) {
eb := encbufPool.Get().(*encbuf)
eb.reset()
if err := eb.encode(val); err != nil {
buf := getEncBuffer()
if err := buf.encode(val); err != nil {
encBufferPool.Put(buf)
return 0, nil, err
}
return eb.size(), &encReader{buf: eb}, nil
// Note: can't put the reader back into the pool here
// because it is held by encReader. The reader puts it
// back when it has been fully consumed.
return buf.size(), &encReader{buf: buf}, nil
}
type listhead struct {
@ -123,207 +133,10 @@ func puthead(buf []byte, smalltag, largetag byte, size uint64) int {
return sizesize + 1
}
type encbuf struct {
str []byte // string data, contains everything except list headers
lheads []listhead // all list headers
lhsize int // sum of sizes of all encoded list headers
sizebuf [9]byte // auxiliary buffer for uint encoding
}
// encbufs are pooled.
var encbufPool = sync.Pool{
New: func() interface{} { return new(encbuf) },
}
func (w *encbuf) reset() {
w.lhsize = 0
w.str = w.str[:0]
w.lheads = w.lheads[:0]
}
// encbuf implements io.Writer so it can be passed it into EncodeRLP.
func (w *encbuf) Write(b []byte) (int, error) {
w.str = append(w.str, b...)
return len(b), nil
}
func (w *encbuf) encode(val interface{}) error {
rval := reflect.ValueOf(val)
writer, err := cachedWriter(rval.Type())
if err != nil {
return err
}
return writer(rval, w)
}
func (w *encbuf) encodeStringHeader(size int) {
if size < 56 {
w.str = append(w.str, 0x80+byte(size))
} else {
sizesize := putint(w.sizebuf[1:], uint64(size))
w.sizebuf[0] = 0xB7 + byte(sizesize)
w.str = append(w.str, w.sizebuf[:sizesize+1]...)
}
}
func (w *encbuf) encodeString(b []byte) {
if len(b) == 1 && b[0] <= 0x7F {
// fits single byte, no string header
w.str = append(w.str, b[0])
} else {
w.encodeStringHeader(len(b))
w.str = append(w.str, b...)
}
}
func (w *encbuf) encodeUint(i uint64) {
if i == 0 {
w.str = append(w.str, 0x80)
} else if i < 128 {
// fits single byte
w.str = append(w.str, byte(i))
} else {
s := putint(w.sizebuf[1:], i)
w.sizebuf[0] = 0x80 + byte(s)
w.str = append(w.str, w.sizebuf[:s+1]...)
}
}
// list adds a new list header to the header stack. It returns the index
// of the header. The caller must call listEnd with this index after encoding
// the content of the list.
func (w *encbuf) list() int {
w.lheads = append(w.lheads, listhead{offset: len(w.str), size: w.lhsize})
return len(w.lheads) - 1
}
func (w *encbuf) listEnd(index int) {
lh := &w.lheads[index]
lh.size = w.size() - lh.offset - lh.size
if lh.size < 56 {
w.lhsize++ // length encoded into kind tag
} else {
w.lhsize += 1 + intsize(uint64(lh.size))
}
}
func (w *encbuf) size() int {
return len(w.str) + w.lhsize
}
func (w *encbuf) toBytes() []byte {
out := make([]byte, w.size())
strpos := 0
pos := 0
for _, head := range w.lheads {
// write string data before header
n := copy(out[pos:], w.str[strpos:head.offset])
pos += n
strpos += n
// write the header
enc := head.encode(out[pos:])
pos += len(enc)
}
// copy string data after the last list header
copy(out[pos:], w.str[strpos:])
return out
}
func (w *encbuf) toWriter(out io.Writer) (err error) {
strpos := 0
for _, head := range w.lheads {
// write string data before header
if head.offset-strpos > 0 {
n, err := out.Write(w.str[strpos:head.offset])
strpos += n
if err != nil {
return err
}
}
// write the header
enc := head.encode(w.sizebuf[:])
if _, err = out.Write(enc); err != nil {
return err
}
}
if strpos < len(w.str) {
// write string data after the last list header
_, err = out.Write(w.str[strpos:])
}
return err
}
// encReader is the io.Reader returned by EncodeToReader.
// It releases its encbuf at EOF.
type encReader struct {
buf *encbuf // the buffer we're reading from. this is nil when we're at EOF.
lhpos int // index of list header that we're reading
strpos int // current position in string buffer
piece []byte // next piece to be read
}
func (r *encReader) Read(b []byte) (n int, err error) {
for {
if r.piece = r.next(); r.piece == nil {
// Put the encode buffer back into the pool at EOF when it
// is first encountered. Subsequent calls still return EOF
// as the error but the buffer is no longer valid.
if r.buf != nil {
encbufPool.Put(r.buf)
r.buf = nil
}
return n, io.EOF
}
nn := copy(b[n:], r.piece)
n += nn
if nn < len(r.piece) {
// piece didn't fit, see you next time.
r.piece = r.piece[nn:]
return n, nil
}
r.piece = nil
}
}
// next returns the next piece of data to be read.
// it returns nil at EOF.
func (r *encReader) next() []byte {
switch {
case r.buf == nil:
return nil
case r.piece != nil:
// There is still data available for reading.
return r.piece
case r.lhpos < len(r.buf.lheads):
// We're before the last list header.
head := r.buf.lheads[r.lhpos]
sizebefore := head.offset - r.strpos
if sizebefore > 0 {
// String data before header.
p := r.buf.str[r.strpos:head.offset]
r.strpos += sizebefore
return p
}
r.lhpos++
return head.encode(r.buf.sizebuf[:])
case r.strpos < len(r.buf.str):
// String data at the end, after all list headers.
p := r.buf.str[r.strpos:]
r.strpos = len(r.buf.str)
return p
default:
return nil
}
}
var encoderInterface = reflect.TypeOf(new(Encoder)).Elem()
// makeWriter creates a writer function for the given type.
func makeWriter(typ reflect.Type, ts tags) (writer, error) {
func makeWriter(typ reflect.Type, ts rlpstruct.Tags) (writer, error) {
kind := typ.Kind()
switch {
case typ == rawValueType:
@ -332,6 +145,10 @@ func makeWriter(typ reflect.Type, ts tags) (writer, error) {
return writeBigIntPtr, nil
case typ.AssignableTo(bigInt):
return writeBigIntNoPtr, nil
case typ == reflect.PtrTo(u256Int):
return writeU256IntPtr, nil
case typ == u256Int:
return writeU256IntNoPtr, nil
case kind == reflect.Ptr:
return makePtrWriter(typ, ts)
case reflect.PtrTo(typ).Implements(encoderInterface):
@ -357,71 +174,61 @@ func makeWriter(typ reflect.Type, ts tags) (writer, error) {
}
}
func writeRawValue(val reflect.Value, w *encbuf) error {
func writeRawValue(val reflect.Value, w *encBuffer) error {
w.str = append(w.str, val.Bytes()...)
return nil
}
func writeUint(val reflect.Value, w *encbuf) error {
w.encodeUint(val.Uint())
func writeUint(val reflect.Value, w *encBuffer) error {
w.writeUint64(val.Uint())
return nil
}
func writeBool(val reflect.Value, w *encbuf) error {
if val.Bool() {
w.str = append(w.str, 0x01)
} else {
w.str = append(w.str, 0x80)
}
func writeBool(val reflect.Value, w *encBuffer) error {
w.writeBool(val.Bool())
return nil
}
func writeBigIntPtr(val reflect.Value, w *encbuf) error {
func writeBigIntPtr(val reflect.Value, w *encBuffer) error {
ptr := val.Interface().(*big.Int)
if ptr == nil {
w.str = append(w.str, 0x80)
return nil
}
return writeBigInt(ptr, w)
if ptr.Sign() == -1 {
return ErrNegativeBigInt
}
w.writeBigInt(ptr)
return nil
}
func writeBigIntNoPtr(val reflect.Value, w *encbuf) error {
func writeBigIntNoPtr(val reflect.Value, w *encBuffer) error {
i := val.Interface().(big.Int)
return writeBigInt(&i, w)
}
// wordBytes is the number of bytes in a big.Word
const wordBytes = (32 << (uint64(^big.Word(0)) >> 63)) / 8
func writeBigInt(i *big.Int, w *encbuf) error {
if i.Sign() == -1 {
return fmt.Errorf("rlp: cannot encode negative *big.Int")
}
bitlen := i.BitLen()
if bitlen <= 64 {
w.encodeUint(i.Uint64())
return nil
}
// Integer is larger than 64 bits, encode from i.Bits().
// The minimal byte length is bitlen rounded up to the next
// multiple of 8, divided by 8.
length := ((bitlen + 7) & -8) >> 3
w.encodeStringHeader(length)
w.str = append(w.str, make([]byte, length)...)
index := length
buf := w.str[len(w.str)-length:]
for _, d := range i.Bits() {
for j := 0; j < wordBytes && index > 0; j++ {
index--
buf[index] = byte(d)
d >>= 8
}
return ErrNegativeBigInt
}
w.writeBigInt(&i)
return nil
}
func writeBytes(val reflect.Value, w *encbuf) error {
w.encodeString(val.Bytes())
func writeU256IntPtr(val reflect.Value, w *encBuffer) error {
ptr := val.Interface().(*uint256.Int)
if ptr == nil {
w.str = append(w.str, 0x80)
return nil
}
w.writeUint256(ptr)
return nil
}
func writeU256IntNoPtr(val reflect.Value, w *encBuffer) error {
i := val.Interface().(uint256.Int)
w.writeUint256(&i)
return nil
}
func writeBytes(val reflect.Value, w *encBuffer) error {
w.writeBytes(val.Bytes())
return nil
}
@ -432,16 +239,29 @@ func makeByteArrayWriter(typ reflect.Type) writer {
case 1:
return writeLengthOneByteArray
default:
return writeByteArray
length := typ.Len()
return func(val reflect.Value, w *encBuffer) error {
if !val.CanAddr() {
// Getting the byte slice of val requires it to be addressable. Make it
// addressable by copying.
copy := reflect.New(val.Type()).Elem()
copy.Set(val)
val = copy
}
slice := byteArrayBytes(val, length)
w.encodeStringHeader(len(slice))
w.str = append(w.str, slice...)
return nil
}
}
}
func writeLengthZeroByteArray(val reflect.Value, w *encbuf) error {
func writeLengthZeroByteArray(val reflect.Value, w *encBuffer) error {
w.str = append(w.str, 0x80)
return nil
}
func writeLengthOneByteArray(val reflect.Value, w *encbuf) error {
func writeLengthOneByteArray(val reflect.Value, w *encBuffer) error {
b := byte(val.Index(0).Uint())
if b <= 0x7f {
w.str = append(w.str, b)
@ -451,22 +271,7 @@ func writeLengthOneByteArray(val reflect.Value, w *encbuf) error {
return nil
}
func writeByteArray(val reflect.Value, w *encbuf) error {
if !val.CanAddr() {
// Getting the byte slice of val requires it to be addressable. Make it
// addressable by copying.
copy := reflect.New(val.Type()).Elem()
copy.Set(val)
val = copy
}
slice := byteArrayBytes(val)
w.encodeStringHeader(len(slice))
w.str = append(w.str, slice...)
return nil
}
func writeString(val reflect.Value, w *encbuf) error {
func writeString(val reflect.Value, w *encBuffer) error {
s := val.String()
if len(s) == 1 && s[0] <= 0x7f {
// fits single byte, no string header
@ -478,7 +283,7 @@ func writeString(val reflect.Value, w *encbuf) error {
return nil
}
func writeInterface(val reflect.Value, w *encbuf) error {
func writeInterface(val reflect.Value, w *encBuffer) error {
if val.IsNil() {
// Write empty list. This is consistent with the previous RLP
// encoder that we had and should therefore avoid any
@ -494,15 +299,17 @@ func writeInterface(val reflect.Value, w *encbuf) error {
return writer(eval, w)
}
func makeSliceWriter(typ reflect.Type, ts tags) (writer, error) {
etypeinfo := theTC.infoWhileGenerating(typ.Elem(), tags{})
func makeSliceWriter(typ reflect.Type, ts rlpstruct.Tags) (writer, error) {
etypeinfo := theTC.infoWhileGenerating(typ.Elem(), rlpstruct.Tags{})
if etypeinfo.writerErr != nil {
return nil, etypeinfo.writerErr
}
writer := func(val reflect.Value, w *encbuf) error {
if !ts.tail {
defer w.listEnd(w.list())
}
var wfn writer
if ts.Tail {
// This is for struct tail slices.
// w.list is not called for them.
wfn = func(val reflect.Value, w *encBuffer) error {
vlen := val.Len()
for i := 0; i < vlen; i++ {
if err := etypeinfo.writer(val.Index(i), w); err != nil {
@ -511,7 +318,25 @@ func makeSliceWriter(typ reflect.Type, ts tags) (writer, error) {
}
return nil
}
return writer, nil
} else {
// This is for regular slices and arrays.
wfn = func(val reflect.Value, w *encBuffer) error {
vlen := val.Len()
if vlen == 0 {
w.str = append(w.str, 0xC0)
return nil
}
listOffset := w.list()
for i := 0; i < vlen; i++ {
if err := etypeinfo.writer(val.Index(i), w); err != nil {
return err
}
}
w.listEnd(listOffset)
return nil
}
}
return wfn, nil
}
func makeStructWriter(typ reflect.Type) (writer, error) {
@ -529,7 +354,7 @@ func makeStructWriter(typ reflect.Type) (writer, error) {
firstOptionalField := firstOptionalField(fields)
if firstOptionalField == len(fields) {
// This is the writer function for structs without any optional fields.
writer = func(val reflect.Value, w *encbuf) error {
writer = func(val reflect.Value, w *encBuffer) error {
lh := w.list()
for _, f := range fields {
if err := f.info.writer(val.Field(f.index), w); err != nil {
@ -542,7 +367,7 @@ func makeStructWriter(typ reflect.Type) (writer, error) {
} else {
// If there are any "optional" fields, the writer needs to perform additional
// checks to determine the output list length.
writer = func(val reflect.Value, w *encbuf) error {
writer = func(val reflect.Value, w *encBuffer) error {
lastField := len(fields) - 1
for ; lastField >= firstOptionalField; lastField-- {
if !val.Field(fields[lastField].index).IsZero() {
@ -562,45 +387,39 @@ func makeStructWriter(typ reflect.Type) (writer, error) {
return writer, nil
}
func makePtrWriter(typ reflect.Type, ts tags) (writer, error) {
etypeinfo := theTC.infoWhileGenerating(typ.Elem(), tags{})
func makePtrWriter(typ reflect.Type, ts rlpstruct.Tags) (writer, error) {
nilEncoding := byte(0xC0)
if typeNilKind(typ.Elem(), ts) == String {
nilEncoding = 0x80
}
etypeinfo := theTC.infoWhileGenerating(typ.Elem(), rlpstruct.Tags{})
if etypeinfo.writerErr != nil {
return nil, etypeinfo.writerErr
}
// Determine how to encode nil pointers.
var nilKind Kind
if ts.nilOK {
nilKind = ts.nilKind // use struct tag if provided
} else {
nilKind = defaultNilKind(typ.Elem())
}
writer := func(val reflect.Value, w *encbuf) error {
if val.IsNil() {
if nilKind == String {
w.str = append(w.str, 0x80)
} else {
w.listEnd(w.list())
writer := func(val reflect.Value, w *encBuffer) error {
if ev := val.Elem(); ev.IsValid() {
return etypeinfo.writer(ev, w)
}
w.str = append(w.str, nilEncoding)
return nil
}
return etypeinfo.writer(val.Elem(), w)
}
return writer, nil
}
func makeEncoderWriter(typ reflect.Type) writer {
if typ.Implements(encoderInterface) {
return func(val reflect.Value, w *encbuf) error {
return func(val reflect.Value, w *encBuffer) error {
return val.Interface().(Encoder).EncodeRLP(w)
}
}
w := func(val reflect.Value, w *encbuf) error {
w := func(val reflect.Value, w *encBuffer) error {
if !val.CanAddr() {
// package json simply doesn't call MarshalJSON for this case, but encodes the
// value as if it didn't implement the interface. We don't want to handle it that
// way.
return fmt.Errorf("rlp: unadressable value of type %v, EncodeRLP is pointer method", val.Type())
return fmt.Errorf("rlp: unaddressable value of type %v, EncodeRLP is pointer method", val.Type())
}
return val.Addr().Interface().(Encoder).EncodeRLP(w)
}

540
restricted/rlp/encode_test.go
View File

@ -1,540 +0,0 @@
// Copyright 2014 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package rlp
import (
"bytes"
"errors"
"fmt"
"io"
"io/ioutil"
"math/big"
"runtime"
"sync"
"testing"
)
type testEncoder struct {
err error
}
func (e *testEncoder) EncodeRLP(w io.Writer) error {
if e == nil {
panic("EncodeRLP called on nil value")
}
if e.err != nil {
return e.err
}
w.Write([]byte{0, 1, 0, 1, 0, 1, 0, 1, 0, 1})
return nil
}
type testEncoderValueMethod struct{}
func (e testEncoderValueMethod) EncodeRLP(w io.Writer) error {
w.Write([]byte{0xFA, 0xFE, 0xF0})
return nil
}
type byteEncoder byte
func (e byteEncoder) EncodeRLP(w io.Writer) error {
w.Write(EmptyList)
return nil
}
type undecodableEncoder func()
func (f undecodableEncoder) EncodeRLP(w io.Writer) error {
w.Write([]byte{0xF5, 0xF5, 0xF5})
return nil
}
type encodableReader struct {
A, B uint
}
func (e *encodableReader) Read(b []byte) (int, error) {
panic("called")
}
type namedByteType byte
var (
_ = Encoder(&testEncoder{})
_ = Encoder(byteEncoder(0))
reader io.Reader = &encodableReader{1, 2}
)
type encTest struct {
val interface{}
output, error string
}
var encTests = []encTest{
// booleans
{val: true, output: "01"},
{val: false, output: "80"},
// integers
{val: uint32(0), output: "80"},
{val: uint32(127), output: "7F"},
{val: uint32(128), output: "8180"},
{val: uint32(256), output: "820100"},
{val: uint32(1024), output: "820400"},
{val: uint32(0xFFFFFF), output: "83FFFFFF"},
{val: uint32(0xFFFFFFFF), output: "84FFFFFFFF"},
{val: uint64(0xFFFFFFFF), output: "84FFFFFFFF"},
{val: uint64(0xFFFFFFFFFF), output: "85FFFFFFFFFF"},
{val: uint64(0xFFFFFFFFFFFF), output: "86FFFFFFFFFFFF"},
{val: uint64(0xFFFFFFFFFFFFFF), output: "87FFFFFFFFFFFFFF"},
{val: uint64(0xFFFFFFFFFFFFFFFF), output: "88FFFFFFFFFFFFFFFF"},
// big integers (should match uint for small values)
{val: big.NewInt(0), output: "80"},
{val: big.NewInt(1), output: "01"},
{val: big.NewInt(127), output: "7F"},
{val: big.NewInt(128), output: "8180"},
{val: big.NewInt(256), output: "820100"},
{val: big.NewInt(1024), output: "820400"},
{val: big.NewInt(0xFFFFFF), output: "83FFFFFF"},
{val: big.NewInt(0xFFFFFFFF), output: "84FFFFFFFF"},
{val: big.NewInt(0xFFFFFFFFFF), output: "85FFFFFFFFFF"},
{val: big.NewInt(0xFFFFFFFFFFFF), output: "86FFFFFFFFFFFF"},
{val: big.NewInt(0xFFFFFFFFFFFFFF), output: "87FFFFFFFFFFFFFF"},
{
val: big.NewInt(0).SetBytes(unhex("102030405060708090A0B0C0D0E0F2")),
output: "8F102030405060708090A0B0C0D0E0F2",
},
{
val: big.NewInt(0).SetBytes(unhex("0100020003000400050006000700080009000A000B000C000D000E01")),
output: "9C0100020003000400050006000700080009000A000B000C000D000E01",
},
{
val: big.NewInt(0).SetBytes(unhex("010000000000000000000000000000000000000000000000000000000000000000")),
output: "A1010000000000000000000000000000000000000000000000000000000000000000",
},
{
val: veryBigInt,
output: "89FFFFFFFFFFFFFFFFFF",
},
{
val: veryVeryBigInt,
output: "B848FFFFFFFFFFFFFFFFF800000000000000001BFFFFFFFFFFFFFFFFC8000000000000000045FFFFFFFFFFFFFFFFC800000000000000001BFFFFFFFFFFFFFFFFF8000000000000000001",
},
// non-pointer big.Int
{val: *big.NewInt(0), output: "80"},
{val: *big.NewInt(0xFFFFFF), output: "83FFFFFF"},
// negative ints are not supported
{val: big.NewInt(-1), error: "rlp: cannot encode negative *big.Int"},
// byte arrays
{val: [0]byte{}, output: "80"},
{val: [1]byte{0}, output: "00"},
{val: [1]byte{1}, output: "01"},
{val: [1]byte{0x7F}, output: "7F"},
{val: [1]byte{0x80}, output: "8180"},
{val: [1]byte{0xFF}, output: "81FF"},
{val: [3]byte{1, 2, 3}, output: "83010203"},
{val: [57]byte{1, 2, 3}, output: "B839010203000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000"},
// named byte type arrays
{val: [0]namedByteType{}, output: "80"},
{val: [1]namedByteType{0}, output: "00"},
{val: [1]namedByteType{1}, output: "01"},
{val: [1]namedByteType{0x7F}, output: "7F"},
{val: [1]namedByteType{0x80}, output: "8180"},
{val: [1]namedByteType{0xFF}, output: "81FF"},
{val: [3]namedByteType{1, 2, 3}, output: "83010203"},
{val: [57]namedByteType{1, 2, 3}, output: "B839010203000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000"},
// byte slices
{val: []byte{}, output: "80"},
{val: []byte{0}, output: "00"},
{val: []byte{0x7E}, output: "7E"},
{val: []byte{0x7F}, output: "7F"},
{val: []byte{0x80}, output: "8180"},
{val: []byte{1, 2, 3}, output: "83010203"},
// named byte type slices
{val: []namedByteType{}, output: "80"},
{val: []namedByteType{0}, output: "00"},
{val: []namedByteType{0x7E}, output: "7E"},
{val: []namedByteType{0x7F}, output: "7F"},
{val: []namedByteType{0x80}, output: "8180"},
{val: []namedByteType{1, 2, 3}, output: "83010203"},
// strings
{val: "", output: "80"},
{val: "\x7E", output: "7E"},
{val: "\x7F", output: "7F"},
{val: "\x80", output: "8180"},
{val: "dog", output: "83646F67"},
{
val: "Lorem ipsum dolor sit amet, consectetur adipisicing eli",
output: "B74C6F72656D20697073756D20646F6C6F722073697420616D65742C20636F6E7365637465747572206164697069736963696E6720656C69",
},
{
val: "Lorem ipsum dolor sit amet, consectetur adipisicing elit",
output: "B8384C6F72656D20697073756D20646F6C6F722073697420616D65742C20636F6E7365637465747572206164697069736963696E6720656C6974",
},
{
val: "Lorem ipsum dolor sit amet, consectetur adipiscing elit. Curabitur mauris magna, suscipit sed vehicula non, iaculis faucibus tortor. Proin suscipit ultricies malesuada. Duis tortor elit, dictum quis tristique eu, ultrices at risus. Morbi a est imperdiet mi ullamcorper aliquet suscipit nec lorem. Aenean quis leo mollis, vulputate elit varius, consequat enim. Nulla ultrices turpis justo, et posuere urna consectetur nec. Proin non convallis metus. Donec tempor ipsum in mauris congue sollicitudin. Vestibulum ante ipsum primis in faucibus orci luctus et ultrices posuere cubilia Curae; Suspendisse convallis sem vel massa faucibus, eget lacinia lacus tempor. Nulla quis ultricies purus. Proin auctor rhoncus nibh condimentum mollis. Aliquam consequat enim at metus luctus, a eleifend purus egestas. Curabitur at nibh metus. Nam bibendum, neque at auctor tristique, lorem libero aliquet arcu, non interdum tellus lectus sit amet eros. Cras rhoncus, metus ac ornare cursus, dolor justo ultrices metus, at ullamcorper volutpat",
output: "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",
},
// slices
{val: []uint{}, output: "C0"},
{val: []uint{1, 2, 3}, output: "C3010203"},
{
// [ [], [[]], [ [], [[]] ] ]
val: []interface{}{[]interface{}{}, [][]interface{}{{}}, []interface{}{[]interface{}{}, [][]interface{}{{}}}},
output: "C7C0C1C0C3C0C1C0",
},
{
val: []string{"aaa", "bbb", "ccc", "ddd", "eee", "fff", "ggg", "hhh", "iii", "jjj", "kkk", "lll", "mmm", "nnn", "ooo"},
output: "F83C836161618362626283636363836464648365656583666666836767678368686883696969836A6A6A836B6B6B836C6C6C836D6D6D836E6E6E836F6F6F",
},
{
val: []interface{}{uint(1), uint(0xFFFFFF), []interface{}{[]uint{4, 5, 5}}, "abc"},
output: "CE0183FFFFFFC4C304050583616263",
},
{
val: [][]string{
{"asdf", "qwer", "zxcv"},
{"asdf", "qwer", "zxcv"},
{"asdf", "qwer", "zxcv"},
{"asdf", "qwer", "zxcv"},
{"asdf", "qwer", "zxcv"},
{"asdf", "qwer", "zxcv"},
{"asdf", "qwer", "zxcv"},
{"asdf", "qwer", "zxcv"},
{"asdf", "qwer", "zxcv"},
{"asdf", "qwer", "zxcv"},
{"asdf", "qwer", "zxcv"},
{"asdf", "qwer", "zxcv"},
{"asdf", "qwer", "zxcv"},
{"asdf", "qwer", "zxcv"},
{"asdf", "qwer", "zxcv"},
{"asdf", "qwer", "zxcv"},
{"asdf", "qwer", "zxcv"},
{"asdf", "qwer", "zxcv"},
{"asdf", "qwer", "zxcv"},
{"asdf", "qwer", "zxcv"},
{"asdf", "qwer", "zxcv"},
{"asdf", "qwer", "zxcv"},
{"asdf", "qwer", "zxcv"},
{"asdf", "qwer", "zxcv"},
{"asdf", "qwer", "zxcv"},
{"asdf", "qwer", "zxcv"},
{"asdf", "qwer", "zxcv"},
{"asdf", "qwer", "zxcv"},
{"asdf", "qwer", "zxcv"},
{"asdf", "qwer", "zxcv"},
{"asdf", "qwer", "zxcv"},
{"asdf", "qwer", "zxcv"},
},
output: "F90200CF84617364668471776572847A786376CF84617364668471776572847A786376CF84617364668471776572847A786376CF84617364668471776572847A786376CF84617364668471776572847A786376CF84617364668471776572847A786376CF84617364668471776572847A786376CF84617364668471776572847A786376CF84617364668471776572847A786376CF84617364668471776572847A786376CF84617364668471776572847A786376CF84617364668471776572847A786376CF84617364668471776572847A786376CF84617364668471776572847A786376CF84617364668471776572847A786376CF84617364668471776572847A786376CF84617364668471776572847A786376CF84617364668471776572847A786376CF84617364668471776572847A786376CF84617364668471776572847A786376CF84617364668471776572847A786376CF84617364668471776572847A786376CF84617364668471776572847A786376CF84617364668471776572847A786376CF84617364668471776572847A786376CF84617364668471776572847A786376CF84617364668471776572847A786376CF84617364668471776572847A786376CF84617364668471776572847A786376CF84617364668471776572847A786376CF84617364668471776572847A786376CF84617364668471776572847A786376",
},
// RawValue
{val: RawValue(unhex("01")), output: "01"},
{val: RawValue(unhex("82FFFF")), output: "82FFFF"},
{val: []RawValue{unhex("01"), unhex("02")}, output: "C20102"},
// structs
{val: simplestruct{}, output: "C28080"},
{val: simplestruct{A: 3, B: "foo"}, output: "C50383666F6F"},
{val: &recstruct{5, nil}, output: "C205C0"},
{val: &recstruct{5, &recstruct{4, &recstruct{3, nil}}}, output: "C605C404C203C0"},
{val: &intField{X: 3}, error: "rlp: type int is not RLP-serializable (struct field rlp.intField.X)"},
// struct tag "-"
{val: &ignoredField{A: 1, B: 2, C: 3}, output: "C20103"},
// struct tag "tail"
{val: &tailRaw{A: 1, Tail: []RawValue{unhex("02"), unhex("03")}}, output: "C3010203"},
{val: &tailRaw{A: 1, Tail: []RawValue{unhex("02")}}, output: "C20102"},
{val: &tailRaw{A: 1, Tail: []RawValue{}}, output: "C101"},
{val: &tailRaw{A: 1, Tail: nil}, output: "C101"},
// struct tag "optional"
{val: &optionalFields{}, output: "C180"},
{val: &optionalFields{A: 1}, output: "C101"},
{val: &optionalFields{A: 1, B: 2}, output: "C20102"},
{val: &optionalFields{A: 1, B: 2, C: 3}, output: "C3010203"},
{val: &optionalFields{A: 1, B: 0, C: 3}, output: "C3018003"},
{val: &optionalAndTailField{A: 1}, output: "C101"},
{val: &optionalAndTailField{A: 1, B: 2}, output: "C20102"},
{val: &optionalAndTailField{A: 1, Tail: []uint{5, 6}}, output: "C401800506"},
{val: &optionalAndTailField{A: 1, Tail: []uint{5, 6}}, output: "C401800506"},
{val: &optionalBigIntField{A: 1}, output: "C101"},
{val: &optionalPtrField{A: 1}, output: "C101"},
{val: &optionalPtrFieldNil{A: 1}, output: "C101"},
// nil
{val: (*uint)(nil), output: "80"},
{val: (*string)(nil), output: "80"},
{val: (*[]byte)(nil), output: "80"},
{val: (*[10]byte)(nil), output: "80"},
{val: (*big.Int)(nil), output: "80"},
{val: (*[]string)(nil), output: "C0"},
{val: (*[10]string)(nil), output: "C0"},
{val: (*[]interface{})(nil), output: "C0"},
{val: (*[]struct{ uint })(nil), output: "C0"},
{val: (*interface{})(nil), output: "C0"},
// nil struct fields
{
val: struct {
X *[]byte
}{},
output: "C180",
},
{
val: struct {
X *[2]byte
}{},
output: "C180",
},
{
val: struct {
X *uint64
}{},
output: "C180",
},
{
val: struct {
X *uint64 `rlp:"nilList"`
}{},
output: "C1C0",
},
{
val: struct {
X *[]uint64
}{},
output: "C1C0",
},
{
val: struct {
X *[]uint64 `rlp:"nilString"`
}{},
output: "C180",
},
// interfaces
{val: []io.Reader{reader}, output: "C3C20102"}, // the contained value is a struct
// Encoder
{val: (*testEncoder)(nil), output: "C0"},
{val: &testEncoder{}, output: "00010001000100010001"},
{val: &testEncoder{errors.New("test error")}, error: "test error"},
{val: struct{ E testEncoderValueMethod }{}, output: "C3FAFEF0"},
{val: struct{ E *testEncoderValueMethod }{}, output: "C1C0"},
// Verify that the Encoder interface works for unsupported types like func().
{val: undecodableEncoder(func() {}), output: "F5F5F5"},
// Verify that pointer method testEncoder.EncodeRLP is called for
// addressable non-pointer values.
{val: &struct{ TE testEncoder }{testEncoder{}}, output: "CA00010001000100010001"},
{val: &struct{ TE testEncoder }{testEncoder{errors.New("test error")}}, error: "test error"},
// Verify the error for non-addressable non-pointer Encoder.
{val: testEncoder{}, error: "rlp: unadressable value of type rlp.testEncoder, EncodeRLP is pointer method"},
// Verify Encoder takes precedence over []byte.
{val: []byteEncoder{0, 1, 2, 3, 4}, output: "C5C0C0C0C0C0"},
}
func runEncTests(t *testing.T, f func(val interface{}) ([]byte, error)) {
for i, test := range encTests {
output, err := f(test.val)
if err != nil && test.error == "" {
t.Errorf("test %d: unexpected error: %v\nvalue %#v\ntype %T",
i, err, test.val, test.val)
continue
}
if test.error != "" && fmt.Sprint(err) != test.error {
t.Errorf("test %d: error mismatch\ngot %v\nwant %v\nvalue %#v\ntype %T",
i, err, test.error, test.val, test.val)
continue
}
if err == nil && !bytes.Equal(output, unhex(test.output)) {
t.Errorf("test %d: output mismatch:\ngot %X\nwant %s\nvalue %#v\ntype %T",
i, output, test.output, test.val, test.val)
}
}
}
func TestEncode(t *testing.T) {
runEncTests(t, func(val interface{}) ([]byte, error) {
b := new(bytes.Buffer)
err := Encode(b, val)
return b.Bytes(), err
})
}
func TestEncodeToBytes(t *testing.T) {
runEncTests(t, EncodeToBytes)
}
func TestEncodeToReader(t *testing.T) {
runEncTests(t, func(val interface{}) ([]byte, error) {
_, r, err := EncodeToReader(val)
if err != nil {
return nil, err
}
return ioutil.ReadAll(r)
})
}
func TestEncodeToReaderPiecewise(t *testing.T) {
runEncTests(t, func(val interface{}) ([]byte, error) {
size, r, err := EncodeToReader(val)
if err != nil {
return nil, err
}
// read output piecewise
output := make([]byte, size)
for start, end := 0, 0; start < size; start = end {
if remaining := size - start; remaining < 3 {
end += remaining
} else {
end = start + 3
}
n, err := r.Read(output[start:end])
end = start + n
if err == io.EOF {
break
} else if err != nil {
return nil, err
}
}
return output, nil
})
}
// This is a regression test verifying that encReader
// returns its encbuf to the pool only once.
func TestEncodeToReaderReturnToPool(t *testing.T) {
buf := make([]byte, 50)
wg := new(sync.WaitGroup)
for i := 0; i < 5; i++ {
wg.Add(1)
go func() {
for i := 0; i < 1000; i++ {
_, r, _ := EncodeToReader("foo")
ioutil.ReadAll(r)
r.Read(buf)
r.Read(buf)
r.Read(buf)
r.Read(buf)
}
wg.Done()
}()
}
wg.Wait()
}
var sink interface{}
func BenchmarkIntsize(b *testing.B) {
for i := 0; i < b.N; i++ {
sink = intsize(0x12345678)
}
}
func BenchmarkPutint(b *testing.B) {
buf := make([]byte, 8)
for i := 0; i < b.N; i++ {
putint(buf, 0x12345678)
sink = buf
}
}
func BenchmarkEncodeBigInts(b *testing.B) {
ints := make([]*big.Int, 200)
for i := range ints {
ints[i] = new(big.Int).Exp(big.NewInt(2), big.NewInt(int64(i)), nil)
}
out := bytes.NewBuffer(make([]byte, 0, 4096))
b.ResetTimer()
b.ReportAllocs()
for i := 0; i < b.N; i++ {
out.Reset()
if err := Encode(out, ints); err != nil {
b.Fatal(err)
}
}
}
func BenchmarkEncodeConcurrentInterface(b *testing.B) {
type struct1 struct {
A string
B *big.Int
C [20]byte
}
value := []interface{}{
uint(999),
&struct1{A: "hello", B: big.NewInt(0xFFFFFFFF)},
[10]byte{1, 2, 3, 4, 5, 6},
[]string{"yeah", "yeah", "yeah"},
}
var wg sync.WaitGroup
for cpu := 0; cpu < runtime.NumCPU(); cpu++ {
wg.Add(1)
go func() {
defer wg.Done()
var buffer bytes.Buffer
for i := 0; i < b.N; i++ {
buffer.Reset()
err := Encode(&buffer, value)
if err != nil {
panic(err)
}
}
}()
}
wg.Wait()
}
type byteArrayStruct struct {
A [20]byte
B [32]byte
C [32]byte
}
func BenchmarkEncodeByteArrayStruct(b *testing.B) {
var out bytes.Buffer
var value byteArrayStruct
b.ReportAllocs()
for i := 0; i < b.N; i++ {
out.Reset()
if err := Encode(&out, &value); err != nil {
b.Fatal(err)
}
}
}

46
restricted/rlp/encoder_example_test.go
View File

@ -1,46 +0,0 @@
// Copyright 2014 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package rlp
import (
"fmt"
"io"
)
type MyCoolType struct {
Name string
a, b uint
}
// EncodeRLP writes x as RLP list [a, b] that omits the Name field.
func (x *MyCoolType) EncodeRLP(w io.Writer) (err error) {
return Encode(w, []uint{x.a, x.b})
}
func ExampleEncoder() {
var t *MyCoolType // t is nil pointer to MyCoolType
bytes, _ := EncodeToBytes(t)
fmt.Printf("%v → %X\n", t, bytes)
t = &MyCoolType{Name: "foobar", a: 5, b: 6}
bytes, _ = EncodeToBytes(t)
fmt.Printf("%v → %X\n", t, bytes)
// Output:
// <nil> → C0
// &{foobar 5 6} → C20506
}

213
restricted/rlp/internal/rlpstruct/rlpstruct.go Normal file
View File

@ -0,0 +1,213 @@
// Copyright 2022 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
// Package rlpstruct implements struct processing for RLP encoding/decoding.
//
// In particular, this package handles all rules around field filtering,
// struct tags and nil value determination.
package rlpstruct
import (
"fmt"
"reflect"
"strings"
)
// Field represents a struct field.
type Field struct {
Name string
Index int
Exported bool
Type Type
Tag string
}
// Type represents the attributes of a Go type.
type Type struct {
Name string
Kind reflect.Kind
IsEncoder bool // whether type implements rlp.Encoder
IsDecoder bool // whether type implements rlp.Decoder
Elem *Type // non-nil for Kind values of Ptr, Slice, Array
}
// DefaultNilValue determines whether a nil pointer to t encodes/decodes
// as an empty string or empty list.
func (t Type) DefaultNilValue() NilKind {
k := t.Kind
if isUint(k) || k == reflect.String || k == reflect.Bool || isByteArray(t) {
return NilKindString
}
return NilKindList
}
// NilKind is the RLP value encoded in place of nil pointers.
type NilKind uint8
const (
NilKindString NilKind = 0x80
NilKindList NilKind = 0xC0
)
// Tags represents struct tags.
type Tags struct {
// rlp:"nil" controls whether empty input results in a nil pointer.
// nilKind is the kind of empty value allowed for the field.
NilKind NilKind
NilOK bool
// rlp:"optional" allows for a field to be missing in the input list.
// If this is set, all subsequent fields must also be optional.
Optional bool
// rlp:"tail" controls whether this field swallows additional list elements. It can
// only be set for the last field, which must be of slice type.
Tail bool
// rlp:"-" ignores fields.
Ignored bool
}
// TagError is raised for invalid struct tags.
type TagError struct {
StructType string
// These are set by this package.
Field string
Tag string
Err string
}
func (e TagError) Error() string {
field := "field " + e.Field
if e.StructType != "" {
field = e.StructType + "." + e.Field
}
return fmt.Sprintf("rlp: invalid struct tag %q for %s (%s)", e.Tag, field, e.Err)
}
// ProcessFields filters the given struct fields, returning only fields
// that should be considered for encoding/decoding.
func ProcessFields(allFields []Field) ([]Field, []Tags, error) {
lastPublic := lastPublicField(allFields)
// Gather all exported fields and their tags.
var fields []Field
var tags []Tags
for _, field := range allFields {
if !field.Exported {
continue
}
ts, err := parseTag(field, lastPublic)
if err != nil {
return nil, nil, err
}
if ts.Ignored {
continue
}
fields = append(fields, field)
tags = append(tags, ts)
}
// Verify optional field consistency. If any optional field exists,
// all fields after it must also be optional. Note: optional + tail
// is supported.
var anyOptional bool
var firstOptionalName string
for i, ts := range tags {
name := fields[i].Name
if ts.Optional || ts.Tail {
if !anyOptional {
firstOptionalName = name
}
anyOptional = true
} else {
if anyOptional {
msg := fmt.Sprintf("must be optional because preceding field %q is optional", firstOptionalName)
return nil, nil, TagError{Field: name, Err: msg}
}
}
}
return fields, tags, nil
}
func parseTag(field Field, lastPublic int) (Tags, error) {
name := field.Name
tag := reflect.StructTag(field.Tag)
var ts Tags
for _, t := range strings.Split(tag.Get("rlp"), ",") {
switch t = strings.TrimSpace(t); t {
case "":
// empty tag is allowed for some reason
case "-":
ts.Ignored = true
case "nil", "nilString", "nilList":
ts.NilOK = true
if field.Type.Kind != reflect.Ptr {
return ts, TagError{Field: name, Tag: t, Err: "field is not a pointer"}
}
switch t {
case "nil":
ts.NilKind = field.Type.Elem.DefaultNilValue()
case "nilString":
ts.NilKind = NilKindString
case "nilList":
ts.NilKind = NilKindList
}
case "optional":
ts.Optional = true
if ts.Tail {
return ts, TagError{Field: name, Tag: t, Err: `also has "tail" tag`}
}
case "tail":
ts.Tail = true
if field.Index != lastPublic {
return ts, TagError{Field: name, Tag: t, Err: "must be on last field"}
}
if ts.Optional {
return ts, TagError{Field: name, Tag: t, Err: `also has "optional" tag`}
}
if field.Type.Kind != reflect.Slice {
return ts, TagError{Field: name, Tag: t, Err: "field type is not slice"}
}
default:
return ts, TagError{Field: name, Tag: t, Err: "unknown tag"}
}
}
return ts, nil
}
func lastPublicField(fields []Field) int {
last := 0
for _, f := range fields {
if f.Exported {
last = f.Index
}
}
return last
}
func isUint(k reflect.Kind) bool {
return k >= reflect.Uint && k <= reflect.Uintptr
}
func isByte(typ Type) bool {
return typ.Kind == reflect.Uint8 && !typ.IsEncoder
}
func isByteArray(typ Type) bool {
return (typ.Kind == reflect.Slice || typ.Kind == reflect.Array) && isByte(*typ.Elem)
}

3
restricted/rlp/iterator.go
View File

@ -1,4 +1,4 @@
// Copyright 2019 The go-ethereum Authors
// Copyright 2020 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
@ -36,7 +36,6 @@ func NewListIterator(data RawValue) (*listIterator, error) {
data: data[t : t+c],
}
return it, nil
}
// Next forwards the iterator one step, returns true if it was not at end yet

59
restricted/rlp/iterator_test.go
View File

@ -1,59 +0,0 @@
// Copyright 2019 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package rlp
import (
"testing"
"github.com/openrelayxyz/plugeth-utils/restricted/hexutil"
)
// TestIterator tests some basic things about the ListIterator. A more
// comprehensive test can be found in core/rlp_test.go, where we can
// use both types and rlp without dependency cycles
func TestIterator(t *testing.T) {
bodyRlpHex := "0xf902cbf8d6f869800182c35094000000000000000000000000000000000000aaaa808a000000000000000000001ba01025c66fad28b4ce3370222624d952c35529e602af7cbe04f667371f61b0e3b3a00ab8813514d1217059748fd903288ace1b4001a4bc5fbde2790debdc8167de2ff869010182c35094000000000000000000000000000000000000aaaa808a000000000000000000001ca05ac4cf1d19be06f3742c21df6c49a7e929ceb3dbaf6a09f3cfb56ff6828bd9a7a06875970133a35e63ac06d360aa166d228cc013e9b96e0a2cae7f55b22e1ee2e8f901f0f901eda0c75448377c0e426b8017b23c5f77379ecf69abc1d5c224284ad3ba1c46c59adaa00000000000000000000000000000000000000000000000000000000000000000940000000000000000000000000000000000000000a00000000000000000000000000000000000000000000000000000000000000000a00000000000000000000000000000000000000000000000000000000000000000a00000000000000000000000000000000000000000000000000000000000000000b9010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000808080808080a00000000000000000000000000000000000000000000000000000000000000000880000000000000000"
bodyRlp := hexutil.MustDecode(bodyRlpHex)
it, err := NewListIterator(bodyRlp)
if err != nil {
t.Fatal(err)
}
// Check that txs exist
if !it.Next() {
t.Fatal("expected two elems, got zero")
}
txs := it.Value()
// Check that uncles exist
if !it.Next() {
t.Fatal("expected two elems, got one")
}
txit, err := NewListIterator(txs)
if err != nil {
t.Fatal(err)
}
var i = 0
for txit.Next() {
if txit.err != nil {
t.Fatal(txit.err)
}
i++
}
if exp := 2; i != exp {
t.Errorf("count wrong, expected %d got %d", i, exp)
}
}

35
restricted/rlp/raw.go
View File

@ -28,13 +28,46 @@ type RawValue []byte
var rawValueType = reflect.TypeOf(RawValue{})
// StringSize returns the encoded size of a string.
func StringSize(s string) uint64 {
switch {
case len(s) == 0:
return 1
case len(s) == 1:
if s[0] <= 0x7f {
return 1
} else {
return 2
}
default:
return uint64(headsize(uint64(len(s))) + len(s))
}
}
// BytesSize returns the encoded size of a byte slice.
func BytesSize(b []byte) uint64 {
switch {
case len(b) == 0:
return 1
case len(b) == 1:
if b[0] <= 0x7f {
return 1
} else {
return 2
}
default:
return uint64(headsize(uint64(len(b))) + len(b))
}
}
// ListSize returns the encoded size of an RLP list with the given
// content size.
func ListSize(contentSize uint64) uint64 {
return uint64(headsize(contentSize)) + contentSize
}
// IntSize returns the encoded size of the integer x.
// IntSize returns the encoded size of the integer x. Note: The return type of this
// function is 'int' for backwards-compatibility reasons. The result is always positive.
func IntSize(x uint64) int {
if x < 0x80 {
return 1

71
restricted/rlp/raw_test.go
View File

@ -18,8 +18,8 @@ package rlp
import (
"bytes"
"errors"
"io"
"reflect"
"testing"
"testing/quick"
)
@ -54,21 +54,41 @@ func TestCountValues(t *testing.T) {
if count != test.count {
t.Errorf("test %d: count mismatch, got %d want %d\ninput: %s", i, count, test.count, test.input)
}
if !reflect.DeepEqual(err, test.err) {
if !errors.Is(err, test.err) {
t.Errorf("test %d: err mismatch, got %q want %q\ninput: %s", i, err, test.err, test.input)
}
}
}
func TestSplitTypes(t *testing.T) {
if _, _, err := SplitString(unhex("C100")); err != ErrExpectedString {
t.Errorf("SplitString returned %q, want %q", err, ErrExpectedString)
func TestSplitString(t *testing.T) {
for i, test := range []string{
"C0",
"C100",
"C3010203",
"C88363617483646F67",
"F8384C6F72656D20697073756D20646F6C6F722073697420616D65742C20636F6E7365637465747572206164697069736963696E6720656C6974",
} {
if _, _, err := SplitString(unhex(test)); !errors.Is(err, ErrExpectedString) {
t.Errorf("test %d: error mismatch: have %q, want %q", i, err, ErrExpectedString)
}
if _, _, err := SplitList(unhex("01")); err != ErrExpectedList {
t.Errorf("SplitString returned %q, want %q", err, ErrExpectedList)
}
if _, _, err := SplitList(unhex("81FF")); err != ErrExpectedList {
t.Errorf("SplitString returned %q, want %q", err, ErrExpectedList)
}
func TestSplitList(t *testing.T) {
for i, test := range []string{
"80",
"00",
"01",
"8180",
"81FF",
"820400",
"83636174",
"83646F67",
"B8384C6F72656D20697073756D20646F6C6F722073697420616D65742C20636F6E7365637465747572206164697069736963696E6720656C6974",
} {
if _, _, err := SplitList(unhex(test)); !errors.Is(err, ErrExpectedList) {
t.Errorf("test %d: error mismatch: have %q, want %q", i, err, ErrExpectedList)
}
}
}
@ -283,3 +303,36 @@ func TestAppendUint64Random(t *testing.T) {
t.Fatal(err)
}
}
func TestBytesSize(t *testing.T) {
tests := []struct {
v []byte
size uint64
}{
{v: []byte{}, size: 1},
{v: []byte{0x1}, size: 1},
{v: []byte{0x7E}, size: 1},
{v: []byte{0x7F}, size: 1},
{v: []byte{0x80}, size: 2},
{v: []byte{0xFF}, size: 2},
{v: []byte{0xFF, 0xF0}, size: 3},
{v: make([]byte, 55), size: 56},
{v: make([]byte, 56), size: 58},
}
for _, test := range tests {
s := BytesSize(test.v)
if s != test.size {
t.Errorf("BytesSize(%#x) -> %d, want %d", test.v, s, test.size)
}
s = StringSize(string(test.v))
if s != test.size {
t.Errorf("StringSize(%#x) -> %d, want %d", test.v, s, test.size)
}
// Sanity check:
enc, _ := EncodeToBytes(test.v)
if uint64(len(enc)) != test.size {
t.Errorf("len(EncodeToBytes(%#x)) -> %d, test says %d", test.v, len(enc), test.size)
}
}
}

800
restricted/rlp/rlpgen/gen.go Normal file
View File

@ -0,0 +1,800 @@
// Copyright 2022 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package main
import (
"bytes"
"fmt"
"go/format"
"go/types"
"sort"
"github.com/openrelayxyz/plugeth-utils/restricted/rlp/internal/rlpstruct"
)
// buildContext keeps the data needed for make*Op.
type buildContext struct {
topType *types.Named // the type we're creating methods for
encoderIface *types.Interface
decoderIface *types.Interface
rawValueType *types.Named
typeToStructCache map[types.Type]*rlpstruct.Type
}
func newBuildContext(packageRLP *types.Package) *buildContext {
enc := packageRLP.Scope().Lookup("Encoder").Type().Underlying()
dec := packageRLP.Scope().Lookup("Decoder").Type().Underlying()
rawv := packageRLP.Scope().Lookup("RawValue").Type()
return &buildContext{
typeToStructCache: make(map[types.Type]*rlpstruct.Type),
encoderIface: enc.(*types.Interface),
decoderIface: dec.(*types.Interface),
rawValueType: rawv.(*types.Named),
}
}
func (bctx *buildContext) isEncoder(typ types.Type) bool {
return types.Implements(typ, bctx.encoderIface)
}
func (bctx *buildContext) isDecoder(typ types.Type) bool {
return types.Implements(typ, bctx.decoderIface)
}
// typeToStructType converts typ to rlpstruct.Type.
func (bctx *buildContext) typeToStructType(typ types.Type) *rlpstruct.Type {
if prev := bctx.typeToStructCache[typ]; prev != nil {
return prev // short-circuit for recursive types.
}
// Resolve named types to their underlying type, but keep the name.
name := types.TypeString(typ, nil)
for {
utype := typ.Underlying()
if utype == typ {
break
}
typ = utype
}
// Create the type and store it in cache.
t := &rlpstruct.Type{
Name: name,
Kind: typeReflectKind(typ),
IsEncoder: bctx.isEncoder(typ),
IsDecoder: bctx.isDecoder(typ),
}
bctx.typeToStructCache[typ] = t
// Assign element type.
switch typ.(type) {
case *types.Array, *types.Slice, *types.Pointer:
etype := typ.(interface{ Elem() types.Type }).Elem()
t.Elem = bctx.typeToStructType(etype)
}
return t
}
// genContext is passed to the gen* methods of op when generating
// the output code. It tracks packages to be imported by the output
// file and assigns unique names of temporary variables.
type genContext struct {
inPackage *types.Package
imports map[string]struct{}
tempCounter int
}
func newGenContext(inPackage *types.Package) *genContext {
return &genContext{
inPackage: inPackage,
imports: make(map[string]struct{}),
}
}
func (ctx *genContext) temp() string {
v := fmt.Sprintf("_tmp%d", ctx.tempCounter)
ctx.tempCounter++
return v
}
func (ctx *genContext) resetTemp() {
ctx.tempCounter = 0
}
func (ctx *genContext) addImport(path string) {
if path == ctx.inPackage.Path() {
return // avoid importing the package that we're generating in.
}
// TODO: renaming?
ctx.imports[path] = struct{}{}
}
// importsList returns all packages that need to be imported.
func (ctx *genContext) importsList() []string {
imp := make([]string, 0, len(ctx.imports))
for k := range ctx.imports {
imp = append(imp, k)
}
sort.Strings(imp)
return imp
}
// qualify is the types.Qualifier used for printing types.
func (ctx *genContext) qualify(pkg *types.Package) string {
if pkg.Path() == ctx.inPackage.Path() {
return ""
}
ctx.addImport(pkg.Path())
// TODO: renaming?
return pkg.Name()
}
type op interface {
// genWrite creates the encoder. The generated code should write v,
// which is any Go expression, to the rlp.EncoderBuffer 'w'.
genWrite(ctx *genContext, v string) string
// genDecode creates the decoder. The generated code should read
// a value from the rlp.Stream 'dec' and store it to dst.
genDecode(ctx *genContext) (string, string)
}
// basicOp handles basic types bool, uint*, string.
type basicOp struct {
typ types.Type
writeMethod string // calle write the value
writeArgType types.Type // parameter type of writeMethod
decMethod string
decResultType types.Type // return type of decMethod
decUseBitSize bool // if true, result bit size is appended to decMethod
}
func (*buildContext) makeBasicOp(typ *types.Basic) (op, error) {
op := basicOp{typ: typ}
kind := typ.Kind()
switch {
case kind == types.Bool:
op.writeMethod = "WriteBool"
op.writeArgType = types.Typ[types.Bool]
op.decMethod = "Bool"
op.decResultType = types.Typ[types.Bool]
case kind >= types.Uint8 && kind <= types.Uint64:
op.writeMethod = "WriteUint64"
op.writeArgType = types.Typ[types.Uint64]
op.decMethod = "Uint"
op.decResultType = typ
op.decUseBitSize = true
case kind == types.String:
op.writeMethod = "WriteString"
op.writeArgType = types.Typ[types.String]
op.decMethod = "String"
op.decResultType = types.Typ[types.String]
default:
return nil, fmt.Errorf("unhandled basic type: %v", typ)
}
return op, nil
}
func (*buildContext) makeByteSliceOp(typ *types.Slice) op {
if !isByte(typ.Elem()) {
panic("non-byte slice type in makeByteSliceOp")
}
bslice := types.NewSlice(types.Typ[types.Uint8])
return basicOp{
typ: typ,
writeMethod: "WriteBytes",
writeArgType: bslice,
decMethod: "Bytes",
decResultType: bslice,
}
}
func (bctx *buildContext) makeRawValueOp() op {
bslice := types.NewSlice(types.Typ[types.Uint8])
return basicOp{
typ: bctx.rawValueType,
writeMethod: "Write",
writeArgType: bslice,
decMethod: "Raw",
decResultType: bslice,
}
}
func (op basicOp) writeNeedsConversion() bool {
return !types.AssignableTo(op.typ, op.writeArgType)
}
func (op basicOp) decodeNeedsConversion() bool {
return !types.AssignableTo(op.decResultType, op.typ)
}
func (op basicOp) genWrite(ctx *genContext, v string) string {
if op.writeNeedsConversion() {
v = fmt.Sprintf("%s(%s)", op.writeArgType, v)
}
return fmt.Sprintf("w.%s(%s)\n", op.writeMethod, v)
}
func (op basicOp) genDecode(ctx *genContext) (string, string) {
var (
resultV = ctx.temp()
result = resultV
method = op.decMethod
)
if op.decUseBitSize {
// Note: For now, this only works for platform-independent integer
// sizes. makeBasicOp forbids the platform-dependent types.
var sizes types.StdSizes
method = fmt.Sprintf("%s%d", op.decMethod, sizes.Sizeof(op.typ)*8)
}
// Call the decoder method.
var b bytes.Buffer
fmt.Fprintf(&b, "%s, err := dec.%s()\n", resultV, method)
fmt.Fprintf(&b, "if err != nil { return err }\n")
if op.decodeNeedsConversion() {
conv := ctx.temp()
fmt.Fprintf(&b, "%s := %s(%s)\n", conv, types.TypeString(op.typ, ctx.qualify), resultV)
result = conv
}
return result, b.String()
}
// byteArrayOp handles [...]byte.
type byteArrayOp struct {
typ types.Type
name types.Type // name != typ for named byte array types (e.g. common.Address)
}
func (bctx *buildContext) makeByteArrayOp(name *types.Named, typ *types.Array) byteArrayOp {
nt := types.Type(name)
if name == nil {
nt = typ
}
return byteArrayOp{typ, nt}
}
func (op byteArrayOp) genWrite(ctx *genContext, v string) string {
return fmt.Sprintf("w.WriteBytes(%s[:])\n", v)
}
func (op byteArrayOp) genDecode(ctx *genContext) (string, string) {
var resultV = ctx.temp()
var b bytes.Buffer
fmt.Fprintf(&b, "var %s %s\n", resultV, types.TypeString(op.name, ctx.qualify))
fmt.Fprintf(&b, "if err := dec.ReadBytes(%s[:]); err != nil { return err }\n", resultV)
return resultV, b.String()
}
// bigIntOp handles big.Int.
// This exists because big.Int has it's own decoder operation on rlp.Stream,
// but the decode method returns *big.Int, so it needs to be dereferenced.
type bigIntOp struct {
pointer bool
}
func (op bigIntOp) genWrite(ctx *genContext, v string) string {
var b bytes.Buffer
fmt.Fprintf(&b, "if %s.Sign() == -1 {\n", v)
fmt.Fprintf(&b, " return rlp.ErrNegativeBigInt\n")
fmt.Fprintf(&b, "}\n")
dst := v
if !op.pointer {
dst = "&" + v
}
fmt.Fprintf(&b, "w.WriteBigInt(%s)\n", dst)
// Wrap with nil check.
if op.pointer {
code := b.String()
b.Reset()
fmt.Fprintf(&b, "if %s == nil {\n", v)
fmt.Fprintf(&b, " w.Write(rlp.EmptyString)")
fmt.Fprintf(&b, "} else {\n")
fmt.Fprint(&b, code)
fmt.Fprintf(&b, "}\n")
}
return b.String()
}
func (op bigIntOp) genDecode(ctx *genContext) (string, string) {
var resultV = ctx.temp()
var b bytes.Buffer
fmt.Fprintf(&b, "%s, err := dec.BigInt()\n", resultV)
fmt.Fprintf(&b, "if err != nil { return err }\n")
result := resultV
if !op.pointer {
result = "(*" + resultV + ")"
}
return result, b.String()
}
// uint256Op handles "github.com/holiman/uint256".Int
type uint256Op struct {
pointer bool
}
func (op uint256Op) genWrite(ctx *genContext, v string) string {
var b bytes.Buffer
dst := v
if !op.pointer {
dst = "&" + v
}
fmt.Fprintf(&b, "w.WriteUint256(%s)\n", dst)
// Wrap with nil check.
if op.pointer {
code := b.String()
b.Reset()
fmt.Fprintf(&b, "if %s == nil {\n", v)
fmt.Fprintf(&b, " w.Write(rlp.EmptyString)")
fmt.Fprintf(&b, "} else {\n")
fmt.Fprint(&b, code)
fmt.Fprintf(&b, "}\n")
}
return b.String()
}
func (op uint256Op) genDecode(ctx *genContext) (string, string) {
ctx.addImport("github.com/holiman/uint256")
var b bytes.Buffer
resultV := ctx.temp()
fmt.Fprintf(&b, "var %s uint256.Int\n", resultV)
fmt.Fprintf(&b, "if err := dec.ReadUint256(&%s); err != nil { return err }\n", resultV)
result := resultV
if op.pointer {
result = "&" + resultV
}
return result, b.String()
}
// encoderDecoderOp handles rlp.Encoder and rlp.Decoder.
// In order to be used with this, the type must implement both interfaces.
// This restriction may be lifted in the future by creating separate ops for
// encoding and decoding.
type encoderDecoderOp struct {
typ types.Type
}
func (op encoderDecoderOp) genWrite(ctx *genContext, v string) string {
return fmt.Sprintf("if err := %s.EncodeRLP(w); err != nil { return err }\n", v)
}
func (op encoderDecoderOp) genDecode(ctx *genContext) (string, string) {
// DecodeRLP must have pointer receiver, and this is verified in makeOp.
etyp := op.typ.(*types.Pointer).Elem()
var resultV = ctx.temp()
var b bytes.Buffer
fmt.Fprintf(&b, "%s := new(%s)\n", resultV, types.TypeString(etyp, ctx.qualify))
fmt.Fprintf(&b, "if err := %s.DecodeRLP(dec); err != nil { return err }\n", resultV)
return resultV, b.String()
}
// ptrOp handles pointer types.
type ptrOp struct {
elemTyp types.Type
elem op
nilOK bool
nilValue rlpstruct.NilKind
}
func (bctx *buildContext) makePtrOp(elemTyp types.Type, tags rlpstruct.Tags) (op, error) {
elemOp, err := bctx.makeOp(nil, elemTyp, rlpstruct.Tags{})
if err != nil {
return nil, err
}
op := ptrOp{elemTyp: elemTyp, elem: elemOp}
// Determine nil value.
if tags.NilOK {
op.nilOK = true
op.nilValue = tags.NilKind
} else {
styp := bctx.typeToStructType(elemTyp)
op.nilValue = styp.DefaultNilValue()
}
return op, nil
}
func (op ptrOp) genWrite(ctx *genContext, v string) string {
// Note: in writer functions, accesses to v are read-only, i.e. v is any Go
// expression. To make all accesses work through the pointer, we substitute
// v with (*v). This is required for most accesses including `v`, `call(v)`,
// and `v[index]` on slices.
//
// For `v.field` and `v[:]` on arrays, the dereference operation is not required.
var vv string
_, isStruct := op.elem.(structOp)
_, isByteArray := op.elem.(byteArrayOp)
if isStruct || isByteArray {
vv = v
} else {
vv = fmt.Sprintf("(*%s)", v)
}
var b bytes.Buffer
fmt.Fprintf(&b, "if %s == nil {\n", v)
fmt.Fprintf(&b, " w.Write([]byte{0x%X})\n", op.nilValue)
fmt.Fprintf(&b, "} else {\n")
fmt.Fprintf(&b, " %s", op.elem.genWrite(ctx, vv))
fmt.Fprintf(&b, "}\n")
return b.String()
}
func (op ptrOp) genDecode(ctx *genContext) (string, string) {
result, code := op.elem.genDecode(ctx)
if !op.nilOK {
// If nil pointers are not allowed, we can just decode the element.
return "&" + result, code
}
// nil is allowed, so check the kind and size first.
// If size is zero and kind matches the nilKind of the type,
// the value decodes as a nil pointer.
var (
resultV = ctx.temp()
kindV = ctx.temp()
sizeV = ctx.temp()
wantKind string
)
if op.nilValue == rlpstruct.NilKindList {
wantKind = "rlp.List"
} else {
wantKind = "rlp.String"
}
var b bytes.Buffer
fmt.Fprintf(&b, "var %s %s\n", resultV, types.TypeString(types.NewPointer(op.elemTyp), ctx.qualify))
fmt.Fprintf(&b, "if %s, %s, err := dec.Kind(); err != nil {\n", kindV, sizeV)
fmt.Fprintf(&b, " return err\n")
fmt.Fprintf(&b, "} else if %s != 0 || %s != %s {\n", sizeV, kindV, wantKind)
fmt.Fprint(&b, code)
fmt.Fprintf(&b, " %s = &%s\n", resultV, result)
fmt.Fprintf(&b, "}\n")
return resultV, b.String()
}
// structOp handles struct types.
type structOp struct {
named *types.Named
typ *types.Struct
fields []*structField
optionalFields []*structField
}
type structField struct {
name string
typ types.Type
elem op
}
func (bctx *buildContext) makeStructOp(named *types.Named, typ *types.Struct) (op, error) {
// Convert fields to []rlpstruct.Field.
var allStructFields []rlpstruct.Field
for i := 0; i < typ.NumFields(); i++ {
f := typ.Field(i)
allStructFields = append(allStructFields, rlpstruct.Field{
Name: f.Name(),
Exported: f.Exported(),
Index: i,
Tag: typ.Tag(i),
Type: *bctx.typeToStructType(f.Type()),
})
}
// Filter/validate fields.
fields, tags, err := rlpstruct.ProcessFields(allStructFields)
if err != nil {
return nil, err
}
// Create field ops.
var op = structOp{named: named, typ: typ}
for i, field := range fields {
// Advanced struct tags are not supported yet.
tag := tags[i]
if err := checkUnsupportedTags(field.Name, tag); err != nil {
return nil, err
}
typ := typ.Field(field.Index).Type()
elem, err := bctx.makeOp(nil, typ, tags[i])
if err != nil {
return nil, fmt.Errorf("field %s: %v", field.Name, err)
}
f := &structField{name: field.Name, typ: typ, elem: elem}
if tag.Optional {
op.optionalFields = append(op.optionalFields, f)
} else {
op.fields = append(op.fields, f)
}
}
return op, nil
}
func checkUnsupportedTags(field string, tag rlpstruct.Tags) error {
if tag.Tail {
return fmt.Errorf(`field %s has unsupported struct tag "tail"`, field)
}
return nil
}
func (op structOp) genWrite(ctx *genContext, v string) string {
var b bytes.Buffer
var listMarker = ctx.temp()
fmt.Fprintf(&b, "%s := w.List()\n", listMarker)
for _, field := range op.fields {
selector := v + "." + field.name
fmt.Fprint(&b, field.elem.genWrite(ctx, selector))
}
op.writeOptionalFields(&b, ctx, v)
fmt.Fprintf(&b, "w.ListEnd(%s)\n", listMarker)
return b.String()
}
func (op structOp) writeOptionalFields(b *bytes.Buffer, ctx *genContext, v string) {
if len(op.optionalFields) == 0 {
return
}
// First check zero-ness of all optional fields.
var zeroV = make([]string, len(op.optionalFields))
for i, field := range op.optionalFields {
selector := v + "." + field.name
zeroV[i] = ctx.temp()
fmt.Fprintf(b, "%s := %s\n", zeroV[i], nonZeroCheck(selector, field.typ, ctx.qualify))
}
// Now write the fields.
for i, field := range op.optionalFields {
selector := v + "." + field.name
cond := ""
for j := i; j < len(op.optionalFields); j++ {
if j > i {
cond += " || "
}
cond += zeroV[j]
}
fmt.Fprintf(b, "if %s {\n", cond)
fmt.Fprint(b, field.elem.genWrite(ctx, selector))
fmt.Fprintf(b, "}\n")
}
}
func (op structOp) genDecode(ctx *genContext) (string, string) {
// Get the string representation of the type.
// Here, named types are handled separately because the output
// would contain a copy of the struct definition otherwise.
var typeName string
if op.named != nil {
typeName = types.TypeString(op.named, ctx.qualify)
} else {
typeName = types.TypeString(op.typ, ctx.qualify)
}
// Create struct object.
var resultV = ctx.temp()
var b bytes.Buffer
fmt.Fprintf(&b, "var %s %s\n", resultV, typeName)
// Decode fields.
fmt.Fprintf(&b, "{\n")
fmt.Fprintf(&b, "if _, err := dec.List(); err != nil { return err }\n")
for _, field := range op.fields {
result, code := field.elem.genDecode(ctx)
fmt.Fprintf(&b, "// %s:\n", field.name)
fmt.Fprint(&b, code)
fmt.Fprintf(&b, "%s.%s = %s\n", resultV, field.name, result)
}
op.decodeOptionalFields(&b, ctx, resultV)
fmt.Fprintf(&b, "if err := dec.ListEnd(); err != nil { return err }\n")
fmt.Fprintf(&b, "}\n")
return resultV, b.String()
}
func (op structOp) decodeOptionalFields(b *bytes.Buffer, ctx *genContext, resultV string) {
var suffix bytes.Buffer
for _, field := range op.optionalFields {
result, code := field.elem.genDecode(ctx)
fmt.Fprintf(b, "// %s:\n", field.name)
fmt.Fprintf(b, "if dec.MoreDataInList() {\n")
fmt.Fprint(b, code)
fmt.Fprintf(b, "%s.%s = %s\n", resultV, field.name, result)
fmt.Fprintf(&suffix, "}\n")
}
suffix.WriteTo(b)
}
// sliceOp handles slice types.
type sliceOp struct {
typ *types.Slice
elemOp op
}
func (bctx *buildContext) makeSliceOp(typ *types.Slice) (op, error) {
elemOp, err := bctx.makeOp(nil, typ.Elem(), rlpstruct.Tags{})
if err != nil {
return nil, err
}
return sliceOp{typ: typ, elemOp: elemOp}, nil
}
func (op sliceOp) genWrite(ctx *genContext, v string) string {
var (
listMarker = ctx.temp() // holds return value of w.List()
iterElemV = ctx.temp() // iteration variable
elemCode = op.elemOp.genWrite(ctx, iterElemV)
)
var b bytes.Buffer
fmt.Fprintf(&b, "%s := w.List()\n", listMarker)
fmt.Fprintf(&b, "for _, %s := range %s {\n", iterElemV, v)
fmt.Fprint(&b, elemCode)
fmt.Fprintf(&b, "}\n")
fmt.Fprintf(&b, "w.ListEnd(%s)\n", listMarker)
return b.String()
}
func (op sliceOp) genDecode(ctx *genContext) (string, string) {
var sliceV = ctx.temp() // holds the output slice
elemResult, elemCode := op.elemOp.genDecode(ctx)
var b bytes.Buffer
fmt.Fprintf(&b, "var %s %s\n", sliceV, types.TypeString(op.typ, ctx.qualify))
fmt.Fprintf(&b, "if _, err := dec.List(); err != nil { return err }\n")
fmt.Fprintf(&b, "for dec.MoreDataInList() {\n")
fmt.Fprintf(&b, " %s", elemCode)
fmt.Fprintf(&b, " %s = append(%s, %s)\n", sliceV, sliceV, elemResult)
fmt.Fprintf(&b, "}\n")
fmt.Fprintf(&b, "if err := dec.ListEnd(); err != nil { return err }\n")
return sliceV, b.String()
}
func (bctx *buildContext) makeOp(name *types.Named, typ types.Type, tags rlpstruct.Tags) (op, error) {
switch typ := typ.(type) {
case *types.Named:
if isBigInt(typ) {
return bigIntOp{}, nil
}
if isUint256(typ) {
return uint256Op{}, nil
}
if typ == bctx.rawValueType {
return bctx.makeRawValueOp(), nil
}
if bctx.isDecoder(typ) {
return nil, fmt.Errorf("type %v implements rlp.Decoder with non-pointer receiver", typ)
}
// TODO: same check for encoder?
return bctx.makeOp(typ, typ.Underlying(), tags)
case *types.Pointer:
if isBigInt(typ.Elem()) {
return bigIntOp{pointer: true}, nil
}
if isUint256(typ.Elem()) {
return uint256Op{pointer: true}, nil
}
// Encoder/Decoder interfaces.
if bctx.isEncoder(typ) {
if bctx.isDecoder(typ) {
return encoderDecoderOp{typ}, nil
}
return nil, fmt.Errorf("type %v implements rlp.Encoder but not rlp.Decoder", typ)
}
if bctx.isDecoder(typ) {
return nil, fmt.Errorf("type %v implements rlp.Decoder but not rlp.Encoder", typ)
}
// Default pointer handling.
return bctx.makePtrOp(typ.Elem(), tags)
case *types.Basic:
return bctx.makeBasicOp(typ)
case *types.Struct:
return bctx.makeStructOp(name, typ)
case *types.Slice:
etyp := typ.Elem()
if isByte(etyp) && !bctx.isEncoder(etyp) {
return bctx.makeByteSliceOp(typ), nil
}
return bctx.makeSliceOp(typ)
case *types.Array:
etyp := typ.Elem()
if isByte(etyp) && !bctx.isEncoder(etyp) {
return bctx.makeByteArrayOp(name, typ), nil
}
return nil, fmt.Errorf("unhandled array type: %v", typ)
default:
return nil, fmt.Errorf("unhandled type: %v", typ)
}
}
// generateDecoder generates the DecodeRLP method on 'typ'.
func generateDecoder(ctx *genContext, typ string, op op) []byte {
ctx.resetTemp()
ctx.addImport(pathOfPackageRLP)
result, code := op.genDecode(ctx)
var b bytes.Buffer
fmt.Fprintf(&b, "func (obj *%s) DecodeRLP(dec *rlp.Stream) error {\n", typ)
fmt.Fprint(&b, code)
fmt.Fprintf(&b, " *obj = %s\n", result)
fmt.Fprintf(&b, " return nil\n")
fmt.Fprintf(&b, "}\n")
return b.Bytes()
}
// generateEncoder generates the EncodeRLP method on 'typ'.
func generateEncoder(ctx *genContext, typ string, op op) []byte {
ctx.resetTemp()
ctx.addImport("io")
ctx.addImport(pathOfPackageRLP)
var b bytes.Buffer
fmt.Fprintf(&b, "func (obj *%s) EncodeRLP(_w io.Writer) error {\n", typ)
fmt.Fprintf(&b, " w := rlp.NewEncoderBuffer(_w)\n")
fmt.Fprint(&b, op.genWrite(ctx, "obj"))
fmt.Fprintf(&b, " return w.Flush()\n")
fmt.Fprintf(&b, "}\n")
return b.Bytes()
}
func (bctx *buildContext) generate(typ *types.Named, encoder, decoder bool) ([]byte, error) {
bctx.topType = typ
pkg := typ.Obj().Pkg()
op, err := bctx.makeOp(nil, typ, rlpstruct.Tags{})
if err != nil {
return nil, err
}
var (
ctx = newGenContext(pkg)
encSource []byte
decSource []byte
)
if encoder {
encSource = generateEncoder(ctx, typ.Obj().Name(), op)
}
if decoder {
decSource = generateDecoder(ctx, typ.Obj().Name(), op)
}
var b bytes.Buffer
fmt.Fprintf(&b, "package %s\n\n", pkg.Name())
for _, imp := range ctx.importsList() {
fmt.Fprintf(&b, "import %q\n", imp)
}
if encoder {
fmt.Fprintln(&b)
b.Write(encSource)
}
if decoder {
fmt.Fprintln(&b)
b.Write(decSource)
}
source := b.Bytes()
// fmt.Println(string(source))
return format.Source(source)
}

107
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// Copyright 2022 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package main
import (
"bytes"
"fmt"
"go/ast"
"go/importer"
"go/parser"
"go/token"
"go/types"
"os"
"path/filepath"
"testing"
)
// Package RLP is loaded only once and reused for all tests.
var (
testFset = token.NewFileSet()
testImporter = importer.ForCompiler(testFset, "source", nil).(types.ImporterFrom)
testPackageRLP *types.Package
)
func init() {
cwd, err := os.Getwd()
if err != nil {
panic(err)
}
testPackageRLP, err = testImporter.ImportFrom(pathOfPackageRLP, cwd, 0)
if err != nil {
panic(fmt.Errorf("can't load package RLP: %v", err))
}
}
var tests = []string{"uints", "nil", "rawvalue", "optional", "bigint", "uint256"}
func TestOutput(t *testing.T) {
for _, test := range tests {
test := test
t.Run(test, func(t *testing.T) {
inputFile := filepath.Join("testdata", test+".in.txt")
outputFile := filepath.Join("testdata", test+".out.txt")
bctx, typ, err := loadTestSource(inputFile, "Test")
if err != nil {
t.Fatal("error loading test source:", err)
}
output, err := bctx.generate(typ, true, true)
if err != nil {
t.Fatal("error in generate:", err)
}
// Set this environment variable to regenerate the test outputs.
if os.Getenv("WRITE_TEST_FILES") != "" {
os.WriteFile(outputFile, output, 0644)
}
// Check if output matches.
wantOutput, err := os.ReadFile(outputFile)
if err != nil {
t.Fatal("error loading expected test output:", err)
}
if !bytes.Equal(output, wantOutput) {
t.Fatalf("output mismatch, want: %v got %v", string(wantOutput), string(output))
}
})
}
}
func loadTestSource(file string, typeName string) (*buildContext, *types.Named, error) {
// Load the test input.
content, err := os.ReadFile(file)
if err != nil {
return nil, nil, err
}
f, err := parser.ParseFile(testFset, file, content, 0)
if err != nil {
return nil, nil, err
}
conf := types.Config{Importer: testImporter}
pkg, err := conf.Check("test", testFset, []*ast.File{f}, nil)
if err != nil {
return nil, nil, err
}
// Find the test struct.
bctx := newBuildContext(testPackageRLP)
typ, err := lookupStructType(pkg.Scope(), typeName)
if err != nil {
return nil, nil, fmt.Errorf("can't find type %s: %v", typeName, err)
}
return bctx, typ, nil
}

144
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// Copyright 2022 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package main
import (
"bytes"
"errors"
"flag"
"fmt"
"go/types"
"os"
"golang.org/x/tools/go/packages"
)
const pathOfPackageRLP = "github.com/ethereum/go-ethereum/rlp"
func main() {
var (
pkgdir = flag.String("dir", ".", "input package")
output = flag.String("out", "-", "output file (default is stdout)")
genEncoder = flag.Bool("encoder", true, "generate EncodeRLP?")
genDecoder = flag.Bool("decoder", false, "generate DecodeRLP?")
typename = flag.String("type", "", "type to generate methods for")
)
flag.Parse()
cfg := Config{
Dir: *pkgdir,
Type: *typename,
GenerateEncoder: *genEncoder,
GenerateDecoder: *genDecoder,
}
code, err := cfg.process()
if err != nil {
fatal(err)
}
if *output == "-" {
os.Stdout.Write(code)
} else if err := os.WriteFile(*output, code, 0600); err != nil {
fatal(err)
}
}
func fatal(args ...interface{}) {
fmt.Fprintln(os.Stderr, args...)
os.Exit(1)
}
type Config struct {
Dir string // input package directory
Type string
GenerateEncoder bool
GenerateDecoder bool
}
// process generates the Go code.
func (cfg *Config) process() (code []byte, err error) {
// Load packages.
pcfg := &packages.Config{
Mode: packages.NeedName | packages.NeedTypes,
Dir: cfg.Dir,
}
ps, err := packages.Load(pcfg, pathOfPackageRLP, ".")
if err != nil {
return nil, err
}
if len(ps) == 0 {
return nil, fmt.Errorf("no Go package found in %s", cfg.Dir)
}
packages.PrintErrors(ps)
// Find the packages that were loaded.
var (
pkg *types.Package
packageRLP *types.Package
)
for _, p := range ps {
if len(p.Errors) > 0 {
return nil, fmt.Errorf("package %s has errors", p.PkgPath)
}
if p.PkgPath == pathOfPackageRLP {
packageRLP = p.Types
} else {
pkg = p.Types
}
}
bctx := newBuildContext(packageRLP)
// Find the type and generate.
typ, err := lookupStructType(pkg.Scope(), cfg.Type)
if err != nil {
return nil, fmt.Errorf("can't find %s in %s: %v", cfg.Type, pkg, err)
}
code, err = bctx.generate(typ, cfg.GenerateEncoder, cfg.GenerateDecoder)
if err != nil {
return nil, err
}
// Add build comments.
// This is done here to avoid processing these lines with gofmt.
var header bytes.Buffer
fmt.Fprint(&header, "// Code generated by rlpgen. DO NOT EDIT.\n\n")
return append(header.Bytes(), code...), nil
}
func lookupStructType(scope *types.Scope, name string) (*types.Named, error) {
typ, err := lookupType(scope, name)
if err != nil {
return nil, err
}
_, ok := typ.Underlying().(*types.Struct)
if !ok {
return nil, errors.New("not a struct type")
}
return typ, nil
}
func lookupType(scope *types.Scope, name string) (*types.Named, error) {
obj := scope.Lookup(name)
if obj == nil {
return nil, errors.New("no such identifier")
}
typ, ok := obj.(*types.TypeName)
if !ok {
return nil, errors.New("not a type")
}
return typ.Type().(*types.Named), nil
}

10
restricted/rlp/rlpgen/testdata/bigint.in.txt vendored Normal file
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@ -0,0 +1,10 @@
// -*- mode: go -*-
package test
import "math/big"
type Test struct {
Int *big.Int
IntNoPtr big.Int
}

49
restricted/rlp/rlpgen/testdata/bigint.out.txt vendored Normal file
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@ -0,0 +1,49 @@
package test
import "github.com/ethereum/go-ethereum/rlp"
import "io"
func (obj *Test) EncodeRLP(_w io.Writer) error {
w := rlp.NewEncoderBuffer(_w)
_tmp0 := w.List()
if obj.Int == nil {
w.Write(rlp.EmptyString)
} else {
if obj.Int.Sign() == -1 {
return rlp.ErrNegativeBigInt
}
w.WriteBigInt(obj.Int)
}
if obj.IntNoPtr.Sign() == -1 {
return rlp.ErrNegativeBigInt
}
w.WriteBigInt(&obj.IntNoPtr)
w.ListEnd(_tmp0)
return w.Flush()
}
func (obj *Test) DecodeRLP(dec *rlp.Stream) error {
var _tmp0 Test
{
if _, err := dec.List(); err != nil {
return err
}
// Int:
_tmp1, err := dec.BigInt()
if err != nil {
return err
}
_tmp0.Int = _tmp1
// IntNoPtr:
_tmp2, err := dec.BigInt()
if err != nil {
return err
}
_tmp0.IntNoPtr = (*_tmp2)
if err := dec.ListEnd(); err != nil {
return err
}
}
*obj = _tmp0
return nil
}

30
restricted/rlp/rlpgen/testdata/nil.in.txt vendored Normal file
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@ -0,0 +1,30 @@
// -*- mode: go -*-
package test
type Aux struct{
A uint32
}
type Test struct{
Uint8 *byte `rlp:"nil"`
Uint8List *byte `rlp:"nilList"`
Uint32 *uint32 `rlp:"nil"`
Uint32List *uint32 `rlp:"nilList"`
Uint64 *uint64 `rlp:"nil"`
Uint64List *uint64 `rlp:"nilList"`
String *string `rlp:"nil"`
StringList *string `rlp:"nilList"`
ByteArray *[3]byte `rlp:"nil"`
ByteArrayList *[3]byte `rlp:"nilList"`
ByteSlice *[]byte `rlp:"nil"`
ByteSliceList *[]byte `rlp:"nilList"`
Struct *Aux `rlp:"nil"`
StructString *Aux `rlp:"nilString"`
}

289
restricted/rlp/rlpgen/testdata/nil.out.txt vendored Normal file
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package test
import "github.com/ethereum/go-ethereum/rlp"
import "io"
func (obj *Test) EncodeRLP(_w io.Writer) error {
w := rlp.NewEncoderBuffer(_w)
_tmp0 := w.List()
if obj.Uint8 == nil {
w.Write([]byte{0x80})
} else {
w.WriteUint64(uint64((*obj.Uint8)))
}
if obj.Uint8List == nil {
w.Write([]byte{0xC0})
} else {
w.WriteUint64(uint64((*obj.Uint8List)))
}
if obj.Uint32 == nil {
w.Write([]byte{0x80})
} else {
w.WriteUint64(uint64((*obj.Uint32)))
}
if obj.Uint32List == nil {
w.Write([]byte{0xC0})
} else {
w.WriteUint64(uint64((*obj.Uint32List)))
}
if obj.Uint64 == nil {
w.Write([]byte{0x80})
} else {
w.WriteUint64((*obj.Uint64))
}
if obj.Uint64List == nil {
w.Write([]byte{0xC0})
} else {
w.WriteUint64((*obj.Uint64List))
}
if obj.String == nil {
w.Write([]byte{0x80})
} else {
w.WriteString((*obj.String))
}
if obj.StringList == nil {
w.Write([]byte{0xC0})
} else {
w.WriteString((*obj.StringList))
}
if obj.ByteArray == nil {
w.Write([]byte{0x80})
} else {
w.WriteBytes(obj.ByteArray[:])
}
if obj.ByteArrayList == nil {
w.Write([]byte{0xC0})
} else {
w.WriteBytes(obj.ByteArrayList[:])
}
if obj.ByteSlice == nil {
w.Write([]byte{0x80})
} else {
w.WriteBytes((*obj.ByteSlice))
}
if obj.ByteSliceList == nil {
w.Write([]byte{0xC0})
} else {
w.WriteBytes((*obj.ByteSliceList))
}
if obj.Struct == nil {
w.Write([]byte{0xC0})
} else {
_tmp1 := w.List()
w.WriteUint64(uint64(obj.Struct.A))
w.ListEnd(_tmp1)
}
if obj.StructString == nil {
w.Write([]byte{0x80})
} else {
_tmp2 := w.List()
w.WriteUint64(uint64(obj.StructString.A))
w.ListEnd(_tmp2)
}
w.ListEnd(_tmp0)
return w.Flush()
}
func (obj *Test) DecodeRLP(dec *rlp.Stream) error {
var _tmp0 Test
{
if _, err := dec.List(); err != nil {
return err
}
// Uint8:
var _tmp2 *byte
if _tmp3, _tmp4, err := dec.Kind(); err != nil {
return err
} else if _tmp4 != 0 || _tmp3 != rlp.String {
_tmp1, err := dec.Uint8()
if err != nil {
return err
}
_tmp2 = &_tmp1
}
_tmp0.Uint8 = _tmp2
// Uint8List:
var _tmp6 *byte
if _tmp7, _tmp8, err := dec.Kind(); err != nil {
return err
} else if _tmp8 != 0 || _tmp7 != rlp.List {
_tmp5, err := dec.Uint8()
if err != nil {
return err
}
_tmp6 = &_tmp5
}
_tmp0.Uint8List = _tmp6
// Uint32:
var _tmp10 *uint32
if _tmp11, _tmp12, err := dec.Kind(); err != nil {
return err
} else if _tmp12 != 0 || _tmp11 != rlp.String {
_tmp9, err := dec.Uint32()
if err != nil {
return err
}
_tmp10 = &_tmp9
}
_tmp0.Uint32 = _tmp10
// Uint32List:
var _tmp14 *uint32
if _tmp15, _tmp16, err := dec.Kind(); err != nil {
return err
} else if _tmp16 != 0 || _tmp15 != rlp.List {
_tmp13, err := dec.Uint32()
if err != nil {
return err
}
_tmp14 = &_tmp13
}
_tmp0.Uint32List = _tmp14
// Uint64:
var _tmp18 *uint64
if _tmp19, _tmp20, err := dec.Kind(); err != nil {
return err
} else if _tmp20 != 0 || _tmp19 != rlp.String {
_tmp17, err := dec.Uint64()
if err != nil {
return err
}
_tmp18 = &_tmp17
}
_tmp0.Uint64 = _tmp18
// Uint64List:
var _tmp22 *uint64
if _tmp23, _tmp24, err := dec.Kind(); err != nil {
return err
} else if _tmp24 != 0 || _tmp23 != rlp.List {
_tmp21, err := dec.Uint64()
if err != nil {
return err
}
_tmp22 = &_tmp21
}
_tmp0.Uint64List = _tmp22
// String:
var _tmp26 *string
if _tmp27, _tmp28, err := dec.Kind(); err != nil {
return err
} else if _tmp28 != 0 || _tmp27 != rlp.String {
_tmp25, err := dec.String()
if err != nil {
return err
}
_tmp26 = &_tmp25
}
_tmp0.String = _tmp26
// StringList:
var _tmp30 *string
if _tmp31, _tmp32, err := dec.Kind(); err != nil {
return err
} else if _tmp32 != 0 || _tmp31 != rlp.List {
_tmp29, err := dec.String()
if err != nil {
return err
}
_tmp30 = &_tmp29
}
_tmp0.StringList = _tmp30
// ByteArray:
var _tmp34 *[3]byte
if _tmp35, _tmp36, err := dec.Kind(); err != nil {
return err
} else if _tmp36 != 0 || _tmp35 != rlp.String {
var _tmp33 [3]byte
if err := dec.ReadBytes(_tmp33[:]); err != nil {
return err
}
_tmp34 = &_tmp33
}
_tmp0.ByteArray = _tmp34
// ByteArrayList:
var _tmp38 *[3]byte
if _tmp39, _tmp40, err := dec.Kind(); err != nil {
return err
} else if _tmp40 != 0 || _tmp39 != rlp.List {
var _tmp37 [3]byte
if err := dec.ReadBytes(_tmp37[:]); err != nil {
return err
}
_tmp38 = &_tmp37
}
_tmp0.ByteArrayList = _tmp38
// ByteSlice:
var _tmp42 *[]byte
if _tmp43, _tmp44, err := dec.Kind(); err != nil {
return err
} else if _tmp44 != 0 || _tmp43 != rlp.String {
_tmp41, err := dec.Bytes()
if err != nil {
return err
}
_tmp42 = &_tmp41
}
_tmp0.ByteSlice = _tmp42
// ByteSliceList:
var _tmp46 *[]byte
if _tmp47, _tmp48, err := dec.Kind(); err != nil {
return err
} else if _tmp48 != 0 || _tmp47 != rlp.List {
_tmp45, err := dec.Bytes()
if err != nil {
return err
}
_tmp46 = &_tmp45
}
_tmp0.ByteSliceList = _tmp46
// Struct:
var _tmp51 *Aux
if _tmp52, _tmp53, err := dec.Kind(); err != nil {
return err
} else if _tmp53 != 0 || _tmp52 != rlp.List {
var _tmp49 Aux
{
if _, err := dec.List(); err != nil {
return err
}
// A:
_tmp50, err := dec.Uint32()
if err != nil {
return err
}
_tmp49.A = _tmp50
if err := dec.ListEnd(); err != nil {
return err
}
}
_tmp51 = &_tmp49
}
_tmp0.Struct = _tmp51
// StructString:
var _tmp56 *Aux
if _tmp57, _tmp58, err := dec.Kind(); err != nil {
return err
} else if _tmp58 != 0 || _tmp57 != rlp.String {
var _tmp54 Aux
{
if _, err := dec.List(); err != nil {
return err
}
// A:
_tmp55, err := dec.Uint32()
if err != nil {
return err
}
_tmp54.A = _tmp55
if err := dec.ListEnd(); err != nil {
return err
}
}
_tmp56 = &_tmp54
}
_tmp0.StructString = _tmp56
if err := dec.ListEnd(); err != nil {
return err
}
}
*obj = _tmp0
return nil
}

17
restricted/rlp/rlpgen/testdata/optional.in.txt vendored Normal file
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@ -0,0 +1,17 @@
// -*- mode: go -*-
package test
type Aux struct {
A uint64
}
type Test struct {
Uint64 uint64 `rlp:"optional"`
Pointer *uint64 `rlp:"optional"`
String string `rlp:"optional"`
Slice []uint64 `rlp:"optional"`
Array [3]byte `rlp:"optional"`
NamedStruct Aux `rlp:"optional"`
AnonStruct struct{ A string } `rlp:"optional"`
}

153
restricted/rlp/rlpgen/testdata/optional.out.txt vendored Normal file
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@ -0,0 +1,153 @@
package test
import "github.com/ethereum/go-ethereum/rlp"
import "io"
func (obj *Test) EncodeRLP(_w io.Writer) error {
w := rlp.NewEncoderBuffer(_w)
_tmp0 := w.List()
_tmp1 := obj.Uint64 != 0
_tmp2 := obj.Pointer != nil
_tmp3 := obj.String != ""
_tmp4 := len(obj.Slice) > 0
_tmp5 := obj.Array != ([3]byte{})
_tmp6 := obj.NamedStruct != (Aux{})
_tmp7 := obj.AnonStruct != (struct{ A string }{})
if _tmp1 || _tmp2 || _tmp3 || _tmp4 || _tmp5 || _tmp6 || _tmp7 {
w.WriteUint64(obj.Uint64)
}
if _tmp2 || _tmp3 || _tmp4 || _tmp5 || _tmp6 || _tmp7 {
if obj.Pointer == nil {
w.Write([]byte{0x80})
} else {
w.WriteUint64((*obj.Pointer))
}
}
if _tmp3 || _tmp4 || _tmp5 || _tmp6 || _tmp7 {
w.WriteString(obj.String)
}
if _tmp4 || _tmp5 || _tmp6 || _tmp7 {
_tmp8 := w.List()
for _, _tmp9 := range obj.Slice {
w.WriteUint64(_tmp9)
}
w.ListEnd(_tmp8)
}
if _tmp5 || _tmp6 || _tmp7 {
w.WriteBytes(obj.Array[:])
}
if _tmp6 || _tmp7 {
_tmp10 := w.List()
w.WriteUint64(obj.NamedStruct.A)
w.ListEnd(_tmp10)
}
if _tmp7 {
_tmp11 := w.List()
w.WriteString(obj.AnonStruct.A)
w.ListEnd(_tmp11)
}
w.ListEnd(_tmp0)
return w.Flush()
}
func (obj *Test) DecodeRLP(dec *rlp.Stream) error {
var _tmp0 Test
{
if _, err := dec.List(); err != nil {
return err
}
// Uint64:
if dec.MoreDataInList() {
_tmp1, err := dec.Uint64()
if err != nil {
return err
}
_tmp0.Uint64 = _tmp1
// Pointer:
if dec.MoreDataInList() {
_tmp2, err := dec.Uint64()
if err != nil {
return err
}
_tmp0.Pointer = &_tmp2
// String:
if dec.MoreDataInList() {
_tmp3, err := dec.String()
if err != nil {
return err
}
_tmp0.String = _tmp3
// Slice:
if dec.MoreDataInList() {
var _tmp4 []uint64
if _, err := dec.List(); err != nil {
return err
}
for dec.MoreDataInList() {
_tmp5, err := dec.Uint64()
if err != nil {
return err
}
_tmp4 = append(_tmp4, _tmp5)
}
if err := dec.ListEnd(); err != nil {
return err
}
_tmp0.Slice = _tmp4
// Array:
if dec.MoreDataInList() {
var _tmp6 [3]byte
if err := dec.ReadBytes(_tmp6[:]); err != nil {
return err
}
_tmp0.Array = _tmp6
// NamedStruct:
if dec.MoreDataInList() {
var _tmp7 Aux
{
if _, err := dec.List(); err != nil {
return err
}
// A:
_tmp8, err := dec.Uint64()
if err != nil {
return err
}
_tmp7.A = _tmp8
if err := dec.ListEnd(); err != nil {
return err
}
}
_tmp0.NamedStruct = _tmp7
// AnonStruct:
if dec.MoreDataInList() {
var _tmp9 struct{ A string }
{
if _, err := dec.List(); err != nil {
return err
}
// A:
_tmp10, err := dec.String()
if err != nil {
return err
}
_tmp9.A = _tmp10
if err := dec.ListEnd(); err != nil {
return err
}
}
_tmp0.AnonStruct = _tmp9
}
}
}
}
}
}
}
if err := dec.ListEnd(); err != nil {
return err
}
}
*obj = _tmp0
return nil
}

11
restricted/rlp/rlpgen/testdata/rawvalue.in.txt vendored Normal file
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@ -0,0 +1,11 @@
// -*- mode: go -*-
package test
import "github.com/ethereum/go-ethereum/rlp"
type Test struct {
RawValue rlp.RawValue
PointerToRawValue *rlp.RawValue
SliceOfRawValue []rlp.RawValue
}

64
restricted/rlp/rlpgen/testdata/rawvalue.out.txt vendored Normal file
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@ -0,0 +1,64 @@
package test
import "github.com/ethereum/go-ethereum/rlp"
import "io"
func (obj *Test) EncodeRLP(_w io.Writer) error {
w := rlp.NewEncoderBuffer(_w)
_tmp0 := w.List()
w.Write(obj.RawValue)
if obj.PointerToRawValue == nil {
w.Write([]byte{0x80})
} else {
w.Write((*obj.PointerToRawValue))
}
_tmp1 := w.List()
for _, _tmp2 := range obj.SliceOfRawValue {
w.Write(_tmp2)
}
w.ListEnd(_tmp1)
w.ListEnd(_tmp0)
return w.Flush()
}
func (obj *Test) DecodeRLP(dec *rlp.Stream) error {
var _tmp0 Test
{
if _, err := dec.List(); err != nil {
return err
}
// RawValue:
_tmp1, err := dec.Raw()
if err != nil {
return err
}
_tmp0.RawValue = _tmp1
// PointerToRawValue:
_tmp2, err := dec.Raw()
if err != nil {
return err
}
_tmp0.PointerToRawValue = &_tmp2
// SliceOfRawValue:
var _tmp3 []rlp.RawValue
if _, err := dec.List(); err != nil {
return err
}
for dec.MoreDataInList() {
_tmp4, err := dec.Raw()
if err != nil {
return err
}
_tmp3 = append(_tmp3, _tmp4)
}
if err := dec.ListEnd(); err != nil {
return err
}
_tmp0.SliceOfRawValue = _tmp3
if err := dec.ListEnd(); err != nil {
return err
}
}
*obj = _tmp0
return nil
}

10
restricted/rlp/rlpgen/testdata/uint256.in.txt vendored Normal file
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@ -0,0 +1,10 @@
// -*- mode: go -*-
package test
import "github.com/holiman/uint256"
type Test struct {
Int *uint256.Int
IntNoPtr uint256.Int
}

44
restricted/rlp/rlpgen/testdata/uint256.out.txt vendored Normal file
View File

@ -0,0 +1,44 @@
package test
import "github.com/ethereum/go-ethereum/rlp"
import "github.com/holiman/uint256"
import "io"
func (obj *Test) EncodeRLP(_w io.Writer) error {
w := rlp.NewEncoderBuffer(_w)
_tmp0 := w.List()
if obj.Int == nil {
w.Write(rlp.EmptyString)
} else {
w.WriteUint256(obj.Int)
}
w.WriteUint256(&obj.IntNoPtr)
w.ListEnd(_tmp0)
return w.Flush()
}
func (obj *Test) DecodeRLP(dec *rlp.Stream) error {
var _tmp0 Test
{
if _, err := dec.List(); err != nil {
return err
}
// Int:
var _tmp1 uint256.Int
if err := dec.ReadUint256(&_tmp1); err != nil {
return err
}
_tmp0.Int = &_tmp1
// IntNoPtr:
var _tmp2 uint256.Int
if err := dec.ReadUint256(&_tmp2); err != nil {
return err
}
_tmp0.IntNoPtr = _tmp2
if err := dec.ListEnd(); err != nil {
return err
}
}
*obj = _tmp0
return nil
}

10
restricted/rlp/rlpgen/testdata/uints.in.txt vendored Normal file
View File

@ -0,0 +1,10 @@
// -*- mode: go -*-
package test
type Test struct{
A uint8
B uint16
C uint32
D uint64
}

53
restricted/rlp/rlpgen/testdata/uints.out.txt vendored Normal file
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@ -0,0 +1,53 @@
package test
import "github.com/ethereum/go-ethereum/rlp"
import "io"
func (obj *Test) EncodeRLP(_w io.Writer) error {
w := rlp.NewEncoderBuffer(_w)
_tmp0 := w.List()
w.WriteUint64(uint64(obj.A))
w.WriteUint64(uint64(obj.B))
w.WriteUint64(uint64(obj.C))
w.WriteUint64(obj.D)
w.ListEnd(_tmp0)
return w.Flush()
}
func (obj *Test) DecodeRLP(dec *rlp.Stream) error {
var _tmp0 Test
{
if _, err := dec.List(); err != nil {
return err
}
// A:
_tmp1, err := dec.Uint8()
if err != nil {
return err
}
_tmp0.A = _tmp1
// B:
_tmp2, err := dec.Uint16()
if err != nil {
return err
}
_tmp0.B = _tmp2
// C:
_tmp3, err := dec.Uint32()
if err != nil {
return err
}
_tmp0.C = _tmp3
// D:
_tmp4, err := dec.Uint64()
if err != nil {
return err
}
_tmp0.D = _tmp4
if err := dec.ListEnd(); err != nil {
return err
}
}
*obj = _tmp0
return nil
}

124
restricted/rlp/rlpgen/types.go Normal file
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@ -0,0 +1,124 @@
// Copyright 2022 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package main
import (
"fmt"
"go/types"
"reflect"
)
// typeReflectKind gives the reflect.Kind that represents typ.
func typeReflectKind(typ types.Type) reflect.Kind {
switch typ := typ.(type) {
case *types.Basic:
k := typ.Kind()
if k >= types.Bool && k <= types.Complex128 {
// value order matches for Bool..Complex128
return reflect.Bool + reflect.Kind(k-types.Bool)
}
if k == types.String {
return reflect.String
}
if k == types.UnsafePointer {
return reflect.UnsafePointer
}
panic(fmt.Errorf("unhandled BasicKind %v", k))
case *types.Array:
return reflect.Array
case *types.Chan:
return reflect.Chan
case *types.Interface:
return reflect.Interface
case *types.Map:
return reflect.Map
case *types.Pointer:
return reflect.Ptr
case *types.Signature:
return reflect.Func
case *types.Slice:
return reflect.Slice
case *types.Struct:
return reflect.Struct
default:
panic(fmt.Errorf("unhandled type %T", typ))
}
}
// nonZeroCheck returns the expression that checks whether 'v' is a non-zero value of type 'vtyp'.
func nonZeroCheck(v string, vtyp types.Type, qualify types.Qualifier) string {
// Resolve type name.
typ := resolveUnderlying(vtyp)
switch typ := typ.(type) {
case *types.Basic:
k := typ.Kind()
switch {
case k == types.Bool:
return v
case k >= types.Uint && k <= types.Complex128:
return fmt.Sprintf("%s != 0", v)
case k == types.String:
return fmt.Sprintf(`%s != ""`, v)
default:
panic(fmt.Errorf("unhandled BasicKind %v", k))
}
case *types.Array, *types.Struct:
return fmt.Sprintf("%s != (%s{})", v, types.TypeString(vtyp, qualify))
case *types.Interface, *types.Pointer, *types.Signature:
return fmt.Sprintf("%s != nil", v)
case *types.Slice, *types.Map:
return fmt.Sprintf("len(%s) > 0", v)
default:
panic(fmt.Errorf("unhandled type %T", typ))
}
}
// isBigInt checks whether 'typ' is "math/big".Int.
func isBigInt(typ types.Type) bool {
named, ok := typ.(*types.Named)
if !ok {
return false
}
name := named.Obj()
return name.Pkg().Path() == "math/big" && name.Name() == "Int"
}
// isUint256 checks whether 'typ' is "github.com/holiman/uint256".Int.
func isUint256(typ types.Type) bool {
named, ok := typ.(*types.Named)
if !ok {
return false
}
name := named.Obj()
return name.Pkg().Path() == "github.com/holiman/uint256" && name.Name() == "Int"
}
// isByte checks whether the underlying type of 'typ' is uint8.
func isByte(typ types.Type) bool {
basic, ok := resolveUnderlying(typ).(*types.Basic)
return ok && basic.Kind() == types.Uint8
}
func resolveUnderlying(typ types.Type) types.Type {
for {
t := typ.Underlying()
if t == typ {
return t
}
typ = t
}
}

5
restricted/rlp/safe.go
View File

@ -14,6 +14,7 @@
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
//go:build nacl || js || !cgo
// +build nacl js !cgo
package rlp
@ -21,6 +22,6 @@ package rlp
import "reflect"
// byteArrayBytes returns a slice of the byte array v.
func byteArrayBytes(v reflect.Value) []byte {
return v.Slice(0, v.Len()).Bytes()
func byteArrayBytes(v reflect.Value, length int) []byte {
return v.Slice(0, length).Bytes()
}

193
restricted/rlp/typecache.go
View File

@ -19,9 +19,10 @@ package rlp
import (
"fmt"
"reflect"
"strings"
"sync"
"sync/atomic"
"github.com/openrelayxyz/plugeth-utils/restricted/rlp/internal/rlpstruct"
)
// typeinfo is an entry in the type cache.
@ -32,35 +33,16 @@ type typeinfo struct {
writerErr error // error from makeWriter
}
// tags represents struct tags.
type tags struct {
// rlp:"nil" controls whether empty input results in a nil pointer.
// nilKind is the kind of empty value allowed for the field.
nilKind Kind
nilOK bool
// rlp:"optional" allows for a field to be missing in the input list.
// If this is set, all subsequent fields must also be optional.
optional bool
// rlp:"tail" controls whether this field swallows additional list elements. It can
// only be set for the last field, which must be of slice type.
tail bool
// rlp:"-" ignores fields.
ignored bool
}
// typekey is the key of a type in typeCache. It includes the struct tags because
// they might generate a different decoder.
type typekey struct {
reflect.Type
tags
rlpstruct.Tags
}
type decoder func(*Stream, reflect.Value) error
type writer func(reflect.Value, *encbuf) error
type writer func(reflect.Value, *encBuffer) error
var theTC = newTypeCache()
@ -95,10 +77,10 @@ func (c *typeCache) info(typ reflect.Type) *typeinfo {
}
// Not in the cache, need to generate info for this type.
return c.generate(typ, tags{})
return c.generate(typ, rlpstruct.Tags{})
}
func (c *typeCache) generate(typ reflect.Type, tags tags) *typeinfo {
func (c *typeCache) generate(typ reflect.Type, tags rlpstruct.Tags) *typeinfo {
c.mu.Lock()
defer c.mu.Unlock()
@ -122,7 +104,7 @@ func (c *typeCache) generate(typ reflect.Type, tags tags) *typeinfo {
return info
}
func (c *typeCache) infoWhileGenerating(typ reflect.Type, tags tags) *typeinfo {
func (c *typeCache) infoWhileGenerating(typ reflect.Type, tags rlpstruct.Tags) *typeinfo {
key := typekey{typ, tags}
if info := c.next[key]; info != nil {
return info
@ -144,35 +126,40 @@ type field struct {
// structFields resolves the typeinfo of all public fields in a struct type.
func structFields(typ reflect.Type) (fields []field, err error) {
var (
lastPublic = lastPublicField(typ)
anyOptional = false
)
// Convert fields to rlpstruct.Field.
var allStructFields []rlpstruct.Field
for i := 0; i < typ.NumField(); i++ {
if f := typ.Field(i); f.PkgPath == "" { // exported
tags, err := parseStructTag(typ, i, lastPublic)
rf := typ.Field(i)
allStructFields = append(allStructFields, rlpstruct.Field{
Name: rf.Name,
Index: i,
Exported: rf.PkgPath == "",
Tag: string(rf.Tag),
Type: *rtypeToStructType(rf.Type, nil),
})
}
// Filter/validate fields.
structFields, structTags, err := rlpstruct.ProcessFields(allStructFields)
if err != nil {
if tagErr, ok := err.(rlpstruct.TagError); ok {
tagErr.StructType = typ.String()
return nil, tagErr
}
return nil, err
}
// Skip rlp:"-" fields.
if tags.ignored {
continue
}
// If any field has the "optional" tag, subsequent fields must also have it.
if tags.optional || tags.tail {
anyOptional = true
} else if anyOptional {
return nil, fmt.Errorf(`rlp: struct field %v.%s needs "optional" tag`, typ, f.Name)
}
info := theTC.infoWhileGenerating(f.Type, tags)
fields = append(fields, field{i, info, tags.optional})
}
// Resolve typeinfo.
for i, sf := range structFields {
typ := typ.Field(sf.Index).Type
tags := structTags[i]
info := theTC.infoWhileGenerating(typ, tags)
fields = append(fields, field{sf.Index, info, tags.Optional})
}
return fields, nil
}
// anyOptionalFields returns the index of the first field with "optional" tag.
// firstOptionalField returns the index of the first field with "optional" tag.
func firstOptionalField(fields []field) int {
for i, f := range fields {
if f.optional {
@ -192,82 +179,56 @@ func (e structFieldError) Error() string {
return fmt.Sprintf("%v (struct field %v.%s)", e.err, e.typ, e.typ.Field(e.field).Name)
}
type structTagError struct {
typ reflect.Type
field, tag, err string
}
func (e structTagError) Error() string {
return fmt.Sprintf("rlp: invalid struct tag %q for %v.%s (%s)", e.tag, e.typ, e.field, e.err)
}
func parseStructTag(typ reflect.Type, fi, lastPublic int) (tags, error) {
f := typ.Field(fi)
var ts tags
for _, t := range strings.Split(f.Tag.Get("rlp"), ",") {
switch t = strings.TrimSpace(t); t {
case "":
case "-":
ts.ignored = true
case "nil", "nilString", "nilList":
ts.nilOK = true
if f.Type.Kind() != reflect.Ptr {
return ts, structTagError{typ, f.Name, t, "field is not a pointer"}
}
switch t {
case "nil":
ts.nilKind = defaultNilKind(f.Type.Elem())
case "nilString":
ts.nilKind = String
case "nilList":
ts.nilKind = List
}
case "optional":
ts.optional = true
if ts.tail {
return ts, structTagError{typ, f.Name, t, `also has "tail" tag`}
}
case "tail":
ts.tail = true
if fi != lastPublic {
return ts, structTagError{typ, f.Name, t, "must be on last field"}
}
if ts.optional {
return ts, structTagError{typ, f.Name, t, `also has "optional" tag`}
}
if f.Type.Kind() != reflect.Slice {
return ts, structTagError{typ, f.Name, t, "field type is not slice"}
}
default:
return ts, fmt.Errorf("rlp: unknown struct tag %q on %v.%s", t, typ, f.Name)
}
}
return ts, nil
}
func lastPublicField(typ reflect.Type) int {
last := 0
for i := 0; i < typ.NumField(); i++ {
if typ.Field(i).PkgPath == "" {
last = i
}
}
return last
}
func (i *typeinfo) generate(typ reflect.Type, tags tags) {
func (i *typeinfo) generate(typ reflect.Type, tags rlpstruct.Tags) {
i.decoder, i.decoderErr = makeDecoder(typ, tags)
i.writer, i.writerErr = makeWriter(typ, tags)
}
// defaultNilKind determines whether a nil pointer to typ encodes/decodes
// as an empty string or empty list.
func defaultNilKind(typ reflect.Type) Kind {
// rtypeToStructType converts typ to rlpstruct.Type.
func rtypeToStructType(typ reflect.Type, rec map[reflect.Type]*rlpstruct.Type) *rlpstruct.Type {
k := typ.Kind()
if isUint(k) || k == reflect.String || k == reflect.Bool || isByteArray(typ) {
return String
if k == reflect.Invalid {
panic("invalid kind")
}
if prev := rec[typ]; prev != nil {
return prev // short-circuit for recursive types
}
if rec == nil {
rec = make(map[reflect.Type]*rlpstruct.Type)
}
t := &rlpstruct.Type{
Name: typ.String(),
Kind: k,
IsEncoder: typ.Implements(encoderInterface),
IsDecoder: typ.Implements(decoderInterface),
}
rec[typ] = t
if k == reflect.Array || k == reflect.Slice || k == reflect.Ptr {
t.Elem = rtypeToStructType(typ.Elem(), rec)
}
return t
}
// typeNilKind gives the RLP value kind for nil pointers to 'typ'.
func typeNilKind(typ reflect.Type, tags rlpstruct.Tags) Kind {
styp := rtypeToStructType(typ, nil)
var nk rlpstruct.NilKind
if tags.NilOK {
nk = tags.NilKind
} else {
nk = styp.DefaultNilValue()
}
switch nk {
case rlpstruct.NilKindString:
return String
case rlpstruct.NilKindList:
return List
default:
panic("invalid nil kind value")
}
}
func isUint(k reflect.Kind) bool {
@ -277,7 +238,3 @@ func isUint(k reflect.Kind) bool {
func isByte(typ reflect.Type) bool {
return typ.Kind() == reflect.Uint8 && !typ.Implements(encoderInterface)
}
func isByteArray(typ reflect.Type) bool {
return (typ.Kind() == reflect.Slice || typ.Kind() == reflect.Array) && isByte(typ.Elem())
}

8
restricted/rlp/unsafe.go
View File

@ -14,6 +14,7 @@
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
//go:build !nacl && !js && cgo
// +build !nacl,!js,cgo
package rlp
@ -24,12 +25,11 @@ import (
)
// byteArrayBytes returns a slice of the byte array v.
func byteArrayBytes(v reflect.Value) []byte {
len := v.Len()
func byteArrayBytes(v reflect.Value, length int) []byte {
var s []byte
hdr := (*reflect.SliceHeader)(unsafe.Pointer(&s))
hdr.Data = v.UnsafeAddr()
hdr.Cap = len
hdr.Len = len
hdr.Cap = length
hdr.Len = length
return s
}

12
restricted/types/access_list_tx.go
View File

@ -18,8 +18,10 @@ package types
import (
"math/big"
"bytes"
"github.com/openrelayxyz/plugeth-utils/core"
"github.com/openrelayxyz/plugeth-utils/restricted/rlp"
)
//go:generate go run github.com/fjl/gencodec -type AccessTuple -out gen_access_tuple.go
@ -105,6 +107,9 @@ func (tx *AccessListTx) gasFeeCap() *big.Int { return tx.GasPrice }
func (tx *AccessListTx) value() *big.Int { return tx.Value }
func (tx *AccessListTx) nonce() uint64 { return tx.Nonce }
func (tx *AccessListTx) to() *core.Address { return tx.To }
func (tx *AccessListTx) blobGas() uint64 { return 0}
func (tx *AccessListTx) blobGasFeeCap() *big.Int { return nil }
func (tx *AccessListTx) blobHashes() []core.Hash { return nil }
func (tx *AccessListTx) effectiveGasPrice(dst *big.Int, baseFee *big.Int) *big.Int {
return dst.Set(tx.GasPrice)
@ -117,3 +122,10 @@ func (tx *AccessListTx) rawSignatureValues() (v, r, s *big.Int) {
func (tx *AccessListTx) setSignatureValues(chainID, v, r, s *big.Int) {
tx.ChainID, tx.V, tx.R, tx.S = chainID, v, r, s
}
func (tx *AccessListTx) encode(b *bytes.Buffer) error {
return rlp.Encode(b, tx)
}
func (tx *AccessListTx) decode(input []byte) error {
return rlp.DecodeBytes(input, tx)
}

254
restricted/types/blob_tx.go Normal file
View File

@ -0,0 +1,254 @@
// Copyright 2023 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package types
import (
"bytes"
"math/big"
"crypto/sha256"
"fmt"
"github.com/openrelayxyz/plugeth-utils/core"
"github.com/openrelayxyz/plugeth-utils/restricted/params"
"github.com/openrelayxyz/plugeth-utils/restricted/rlp"
"github.com/openrelayxyz/plugeth-utils/restricted/crypto/kzg4844"
"github.com/holiman/uint256"
)
// BlobTx represents an EIP-4844 transaction.
type BlobTx struct {
ChainID *uint256.Int
Nonce uint64
GasTipCap *uint256.Int // a.k.a. maxPriorityFeePerGas
GasFeeCap *uint256.Int // a.k.a. maxFeePerGas
Gas uint64
To core.Address
Value *uint256.Int
Data []byte
AccessList AccessList
BlobFeeCap *uint256.Int // a.k.a. maxFeePerBlobGas
BlobHashes []core.Hash
// A blob transaction can optionally contain blobs. This field must be set when BlobTx
// is used to create a transaction for sigining.
Sidecar *BlobTxSidecar `rlp:"-"`
// Signature values
V *uint256.Int `json:"v" gencodec:"required"`
R *uint256.Int `json:"r" gencodec:"required"`
S *uint256.Int `json:"s" gencodec:"required"`
}
// BlobTxSidecar contains the blobs of a blob transaction.
type BlobTxSidecar struct {
Blobs []kzg4844.Blob // Blobs needed by the blob pool
Commitments []kzg4844.Commitment // Commitments needed by the blob pool
Proofs []kzg4844.Proof // Proofs needed by the blob pool
}
// BlobHashes computes the blob hashes of the given blobs.
func (sc *BlobTxSidecar) BlobHashes() []core.Hash {
h := make([]core.Hash, len(sc.Commitments))
for i := range sc.Blobs {
h[i] = blobHash(&sc.Commitments[i])
}
return h
}
// encodedSize computes the RLP size of the sidecar elements. This does NOT return the
// encoded size of the BlobTxSidecar, it's just a helper for tx.Size().
func (sc *BlobTxSidecar) encodedSize() uint64 {
var blobs, commitments, proofs uint64
for i := range sc.Blobs {
blobs += rlp.BytesSize(sc.Blobs[i][:])
}
for i := range sc.Commitments {
commitments += rlp.BytesSize(sc.Commitments[i][:])
}
for i := range sc.Proofs {
proofs += rlp.BytesSize(sc.Proofs[i][:])
}
return rlp.ListSize(blobs) + rlp.ListSize(commitments) + rlp.ListSize(proofs)
}
// blobTxWithBlobs is used for encoding of transactions when blobs are present.
type blobTxWithBlobs struct {
BlobTx *BlobTx
Blobs []kzg4844.Blob
Commitments []kzg4844.Commitment
Proofs []kzg4844.Proof
}
// copy creates a deep copy of the transaction data and initializes all fields.
func (tx *BlobTx) copy() TxData {
cpy := &BlobTx{
Nonce: tx.Nonce,
To: tx.To,
Data: core.CopyBytes(tx.Data),
Gas: tx.Gas,
// These are copied below.
AccessList: make(AccessList, len(tx.AccessList)),
BlobHashes: make([]core.Hash, len(tx.BlobHashes)),
Value: new(uint256.Int),
ChainID: new(uint256.Int),
GasTipCap: new(uint256.Int),
GasFeeCap: new(uint256.Int),
BlobFeeCap: new(uint256.Int),
V: new(uint256.Int),
R: new(uint256.Int),
S: new(uint256.Int),
}
copy(cpy.AccessList, tx.AccessList)
copy(cpy.BlobHashes, tx.BlobHashes)
if tx.Value != nil {
cpy.Value.Set(tx.Value)
}
if tx.ChainID != nil {
cpy.ChainID.Set(tx.ChainID)
}
if tx.GasTipCap != nil {
cpy.GasTipCap.Set(tx.GasTipCap)
}
if tx.GasFeeCap != nil {
cpy.GasFeeCap.Set(tx.GasFeeCap)
}
if tx.BlobFeeCap != nil {
cpy.BlobFeeCap.Set(tx.BlobFeeCap)
}
if tx.V != nil {
cpy.V.Set(tx.V)
}
if tx.R != nil {
cpy.R.Set(tx.R)
}
if tx.S != nil {
cpy.S.Set(tx.S)
}
if tx.Sidecar != nil {
cpy.Sidecar = &BlobTxSidecar{
Blobs: append([]kzg4844.Blob(nil), tx.Sidecar.Blobs...),
Commitments: append([]kzg4844.Commitment(nil), tx.Sidecar.Commitments...),
Proofs: append([]kzg4844.Proof(nil), tx.Sidecar.Proofs...),
}
}
return cpy
}
// accessors for innerTx.
func (tx *BlobTx) txType() byte { return BlobTxType }
func (tx *BlobTx) chainID() *big.Int { return tx.ChainID.ToBig() }
func (tx *BlobTx) accessList() AccessList { return tx.AccessList }
func (tx *BlobTx) data() []byte { return tx.Data }
func (tx *BlobTx) gas() uint64 { return tx.Gas }
func (tx *BlobTx) gasFeeCap() *big.Int { return tx.GasFeeCap.ToBig() }
func (tx *BlobTx) gasTipCap() *big.Int { return tx.GasTipCap.ToBig() }
func (tx *BlobTx) gasPrice() *big.Int { return tx.GasFeeCap.ToBig() }
func (tx *BlobTx) value() *big.Int { return tx.Value.ToBig() }
func (tx *BlobTx) nonce() uint64 { return tx.Nonce }
func (tx *BlobTx) to() *core.Address { tmp := tx.To; return &tmp }
func (tx *BlobTx) blobGas() uint64 { return params.BlobTxBlobGasPerBlob * uint64(len(tx.BlobHashes)) }
func (tx *BlobTx) blobGasFeeCap() *big.Int { return tx.BlobFeeCap.ToBig() }
func (tx *BlobTx) blobHashes() []core.Hash { return tx.BlobHashes }
func (tx *BlobTx) effectiveGasPrice(dst *big.Int, baseFee *big.Int) *big.Int {
if baseFee == nil {
return dst.Set(tx.GasFeeCap.ToBig())
}
tip := dst.Sub(tx.GasFeeCap.ToBig(), baseFee)
if tip.Cmp(tx.GasTipCap.ToBig()) > 0 {
tip.Set(tx.GasTipCap.ToBig())
}
return tip.Add(tip, baseFee)
}
func (tx *BlobTx) rawSignatureValues() (v, r, s *big.Int) {
return tx.V.ToBig(), tx.R.ToBig(), tx.S.ToBig()
}
func (tx *BlobTx) setSignatureValues(chainID, v, r, s *big.Int) {
tx.ChainID.SetFromBig(chainID)
tx.V.SetFromBig(v)
tx.R.SetFromBig(r)
tx.S.SetFromBig(s)
}
func (tx *BlobTx) withoutSidecar() *BlobTx {
cpy := *tx
cpy.Sidecar = nil
return &cpy
}
func (tx *BlobTx) encode(b *bytes.Buffer) error {
if tx.Sidecar == nil {
return rlp.Encode(b, tx)
}
inner := &blobTxWithBlobs{
BlobTx: tx,
Blobs: tx.Sidecar.Blobs,
Commitments: tx.Sidecar.Commitments,
Proofs: tx.Sidecar.Proofs,
}
return rlp.Encode(b, inner)
}
func (tx *BlobTx) decode(input []byte) error {
// Here we need to support two formats: the network protocol encoding of the tx (with
// blobs) or the canonical encoding without blobs.
//
// The two encodings can be distinguished by checking whether the first element of the
// input list is itself a list.
outerList, _, err := rlp.SplitList(input)
if err != nil {
return err
}
firstElemKind, _, _, err := rlp.Split(outerList)
if err != nil {
return err
}
if firstElemKind != rlp.List {
if err := rlp.DecodeBytes(input, tx); err != nil {
// 0xf8b6053d850165a0bc00858bb2c97000825208944f56ffc63c28b72f79b02e91f11a4707bac4043c8080c0858bb2c97000f842a00155acead2ea1da3a7f6e9c743f4d81b1cd9f5a3382e657aa4025837e2b1651fa0019db7c3b9244969140c36c20cdcc71a821e2a995714c1ec2169f3ebd63c648280a00567aaceaed2303b577178069e5f4bfdd70d445e9eff8e63f9f0a33de98dd782a060e39ff4d29ce28325e3b48707bb8dd170ed3671428a62efcab9812555eb6db1
return fmt.Errorf("Decode error: %v - %v", err, firstElemKind)
} else {
return nil
}
}
// It's a tx with blobs.
var inner blobTxWithBlobs
if err := rlp.DecodeBytes(input, &inner); err != nil {
return err
}
*tx = *inner.BlobTx
tx.Sidecar = &BlobTxSidecar{
Blobs: inner.Blobs,
Commitments: inner.Commitments,
Proofs: inner.Proofs,
}
return nil
}
func blobHash(commit *kzg4844.Commitment) core.Hash {
hasher := sha256.New()
hasher.Write(commit[:])
var vhash core.Hash
hasher.Sum(vhash[:0])
vhash[0] = params.BlobTxHashVersion
return vhash
}

63
restricted/types/block.go
View File

@ -90,11 +90,14 @@ type Header struct {
// WithdrawalsHash was added by EIP-4895 and is ignored in legacy headers.
WithdrawalsHash *core.Hash `json:"withdrawalsRoot" rlp:"optional"`
/*
TODO (MariusVanDerWijden) Add this field once needed
// Random was added during the merge and contains the BeaconState randomness
Random core.Hash `json:"random" rlp:"optional"`
*/
// BlobGasUsed was added by EIP-4844 and is ignored in legacy headers.
BlobGasUsed *uint64 `json:"blobGasUsed" rlp:"optional"`
// ExcessBlobGas was added by EIP-4844 and is ignored in legacy headers.
ExcessBlobGas *uint64 `json:"excessBlobGas" rlp:"optional"`
// ParentBeaconRoot was added by EIP-4788 and is ignored in legacy headers.
ParentBeaconRoot *core.Hash `json:"parentBeaconBlockRoot" rlp:"optional"`
}
// field type overrides for gencodec
@ -283,6 +286,18 @@ func CopyHeader(h *Header) *Header {
if h.WithdrawalsHash != nil {
*cpy.WithdrawalsHash = *h.WithdrawalsHash
}
if h.ExcessBlobGas != nil {
cpy.ExcessBlobGas = new(uint64)
*cpy.ExcessBlobGas = *h.ExcessBlobGas
}
if h.BlobGasUsed != nil {
cpy.BlobGasUsed = new(uint64)
*cpy.BlobGasUsed = *h.BlobGasUsed
}
if h.ParentBeaconRoot != nil {
cpy.ParentBeaconRoot = new(core.Hash)
*cpy.ParentBeaconRoot = *h.ParentBeaconRoot
}
return &cpy
}
@ -347,6 +362,26 @@ func (b *Block) BaseFee() *big.Int {
return new(big.Int).Set(b.header.BaseFee)
}
func (b *Block) BeaconRoot() *core.Hash { return b.header.ParentBeaconRoot }
func (b *Block) ExcessBlobGas() *uint64 {
var excessBlobGas *uint64
if b.header.ExcessBlobGas != nil {
excessBlobGas = new(uint64)
*excessBlobGas = *b.header.ExcessBlobGas
}
return excessBlobGas
}
func (b *Block) BlobGasUsed() *uint64 {
var blobGasUsed *uint64
if b.header.BlobGasUsed != nil {
blobGasUsed = new(uint64)
*blobGasUsed = *b.header.BlobGasUsed
}
return blobGasUsed
}
func (b *Block) Withdrawals() Withdrawals {
return b.withdrawals
}
@ -391,10 +426,8 @@ func CalcUncleHash(uncles []*Header) core.Hash {
// WithSeal returns a new block with the data from b but the header replaced with
// the sealed one.
func (b *Block) WithSeal(header *Header) *Block {
cpy := *header
return &Block{
header: &cpy,
header: CopyHeader(header),
transactions: b.transactions,
uncles: b.uncles,
withdrawals: b.withdrawals,
@ -407,6 +440,7 @@ func (b *Block) WithBody(transactions []*Transaction, uncles []*Header) *Block {
header: CopyHeader(b.header),
transactions: make([]*Transaction, len(transactions)),
uncles: make([]*Header, len(uncles)),
withdrawals: b.withdrawals,
}
copy(block.transactions, transactions)
for i := range uncles {
@ -417,11 +451,16 @@ func (b *Block) WithBody(transactions []*Transaction, uncles []*Header) *Block {
// WithWithdrawals sets the withdrawal contents of a block, does not return a new block.
func (b *Block) WithWithdrawals(withdrawals []*Withdrawal) *Block {
if withdrawals != nil {
b.withdrawals = make([]*Withdrawal, len(withdrawals))
copy(b.withdrawals, withdrawals)
block := &Block{
header: b.header,
transactions: b.transactions,
uncles: b.uncles,
}
return b
if withdrawals != nil {
block.withdrawals = make([]*Withdrawal, len(withdrawals))
copy(block.withdrawals, withdrawals)
}
return block
}
// Hash returns the keccak256 hash of b's header.

13
restricted/types/dynamic_fee_tx.go
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@ -17,9 +17,11 @@
package types
import (
"bytes"
"math/big"
"github.com/openrelayxyz/plugeth-utils/core"
"github.com/openrelayxyz/plugeth-utils/restricted/rlp"
)
type DynamicFeeTx struct {
@ -93,6 +95,9 @@ func (tx *DynamicFeeTx) gasPrice() *big.Int { return tx.GasFeeCap }
func (tx *DynamicFeeTx) value() *big.Int { return tx.Value }
func (tx *DynamicFeeTx) nonce() uint64 { return tx.Nonce }
func (tx *DynamicFeeTx) to() *core.Address { return tx.To }
func (tx *DynamicFeeTx) blobGas() uint64 { return 0}
func (tx *DynamicFeeTx) blobGasFeeCap() *big.Int { return nil }
func (tx *DynamicFeeTx) blobHashes() []core.Hash { return nil }
func (tx *DynamicFeeTx) effectiveGasPrice(dst *big.Int, baseFee *big.Int) *big.Int {
if baseFee == nil {
@ -112,3 +117,11 @@ func (tx *DynamicFeeTx) rawSignatureValues() (v, r, s *big.Int) {
func (tx *DynamicFeeTx) setSignatureValues(chainID, v, r, s *big.Int) {
tx.ChainID, tx.V, tx.R, tx.S = chainID, v, r, s
}
func (tx *DynamicFeeTx) encode(b *bytes.Buffer) error {
return rlp.Encode(b, tx)
}
func (tx *DynamicFeeTx) decode(input []byte) error {
return rlp.DecodeBytes(input, tx)
}

4
restricted/types/gen_receipt_json.go
View File

@ -25,7 +25,7 @@ func (r Receipt) MarshalJSON() ([]byte, error) {
TxHash core.Hash `json:"transactionHash" gencodec:"required"`
ContractAddress core.Address `json:"contractAddress"`
GasUsed hexutil.Uint64 `json:"gasUsed" gencodec:"required"`
EffectiveGasPrice *hexutil.Big `json:"effectiveGasPrice,omitempty"`
EffectiveGasPrice *hexutil.Big `json:"effectiveGasPrice"`
BlockHash core.Hash `json:"blockHash,omitempty"`
BlockNumber *hexutil.Big `json:"blockNumber,omitempty"`
TransactionIndex hexutil.Uint `json:"transactionIndex"`
@ -59,7 +59,7 @@ func (r *Receipt) UnmarshalJSON(input []byte) error {
TxHash *core.Hash `json:"transactionHash" gencodec:"required"`
ContractAddress *core.Address `json:"contractAddress"`
GasUsed *hexutil.Uint64 `json:"gasUsed" gencodec:"required"`
EffectiveGasPrice *hexutil.Big `json:"effectiveGasPrice,omitempty"`
EffectiveGasPrice *hexutil.Big `json:"effectiveGasPrice"`
BlockHash *core.Hash `json:"blockHash,omitempty"`
BlockNumber *hexutil.Big `json:"blockNumber,omitempty"`
TransactionIndex *hexutil.Uint `json:"transactionIndex"`

13
restricted/types/hashing.go
View File

@ -19,6 +19,8 @@ package types
import (
"bytes"
"sync"
"math"
"fmt"
"github.com/openrelayxyz/plugeth-utils/core"
"github.com/openrelayxyz/plugeth-utils/restricted/crypto"
@ -111,3 +113,14 @@ func DeriveSha(list DerivableList, hasher TrieHasher) core.Hash {
}
return hasher.Hash()
}
func getPooledBuffer(size uint64) ([]byte, *bytes.Buffer, error) {
if size > math.MaxInt {
return nil, nil, fmt.Errorf("can't get buffer of size %d", size)
}
buf := encodeBufferPool.Get().(*bytes.Buffer)
buf.Reset()
buf.Grow(int(size))
b := buf.Bytes()[:int(size)]
return b, buf, nil
}

13
restricted/types/legacy_tx.go
View File

@ -18,8 +18,10 @@ package types
import (
"math/big"
"bytes"
"github.com/openrelayxyz/plugeth-utils/core"
"github.com/openrelayxyz/plugeth-utils/restricted/rlp"
)
// LegacyTx is the transaction data of regular Ethereum transactions.
@ -102,6 +104,9 @@ func (tx *LegacyTx) gasFeeCap() *big.Int { return tx.GasPrice }
func (tx *LegacyTx) value() *big.Int { return tx.Value }
func (tx *LegacyTx) nonce() uint64 { return tx.Nonce }
func (tx *LegacyTx) to() *core.Address { return tx.To }
func (tx *LegacyTx) blobGas() uint64 { return 0}
func (tx *LegacyTx) blobGasFeeCap() *big.Int { return nil }
func (tx *LegacyTx) blobHashes() []core.Hash { return nil }
func (tx *LegacyTx) effectiveGasPrice(dst *big.Int, baseFee *big.Int) *big.Int {
return dst.Set(tx.GasPrice)
@ -114,3 +119,11 @@ func (tx *LegacyTx) rawSignatureValues() (v, r, s *big.Int) {
func (tx *LegacyTx) setSignatureValues(chainID, v, r, s *big.Int) {
tx.V, tx.R, tx.S = v, r, s
}
func (tx *LegacyTx) encode(b *bytes.Buffer) error {
return rlp.Encode(b, tx)
}
func (tx *LegacyTx) decode(input []byte) error {
return rlp.DecodeBytes(input, tx)
}

3
restricted/types/receipt.go
View File

@ -63,7 +63,7 @@ type Receipt struct {
TxHash core.Hash `json:"transactionHash" gencodec:"required"`
ContractAddress core.Address `json:"contractAddress"`
GasUsed uint64 `json:"gasUsed" gencodec:"required"`
EffectiveGasPrice *big.Int `json:"effectiveGasPrice"`
EffectiveGasPrice *big.Int `json:"effectiveGasPrice"` // required, but tag omitted for backwards compatibility
// Inclusion information: These fields provide information about the inclusion of the
// transaction corresponding to this receipt.
@ -78,6 +78,7 @@ type receiptMarshaling struct {
Status hexutil.Uint64
CumulativeGasUsed hexutil.Uint64
GasUsed hexutil.Uint64
EffectiveGasPrice *hexutil.Big
BlockNumber *hexutil.Big
TransactionIndex hexutil.Uint
}

79
restricted/types/receipt_test.go
View File

@ -83,25 +83,15 @@ var (
},
Type: DynamicFeeTxType,
}
)
func TestDecodeEmptyTypedReceipt(t *testing.T) {
input := []byte{0x80}
var r Receipt
err := rlp.DecodeBytes(input, &r)
if err != errEmptyTypedReceipt {
t.Fatal("wrong error:", err)
}
}
// Tests that receipt data can be correctly derived from the contextual infos
func TestDeriveFields(t *testing.T) {
// Create a few transactions to have receipts for
to2 := core.HexToAddress("0x2")
to3 := core.HexToAddress("0x3")
to4 := core.HexToAddress("0x4")
to5 := core.HexToAddress("0x5")
txs := Transactions{
to2 = core.HexToAddress("0x2")
to3 = core.HexToAddress("0x3")
to4 = core.HexToAddress("0x4")
to5 = core.HexToAddress("0x5")
to6 = core.HexToAddress("0x6")
to7 = core.HexToAddress("0x7")
txs = Transactions{
NewTx(&LegacyTx{
Nonce: 1,
Value: big.NewInt(1),
@ -141,17 +131,18 @@ func TestDeriveFields(t *testing.T) {
}),
}
blockNumber := big.NewInt(1)
blockHash := core.BytesToHash([]byte{0x03, 0x14})
blockNumber = big.NewInt(1)
blockHash = core.BytesToHash([]byte{0x03, 0x14})
// Create the corresponding receipts
receipts := Receipts{
receipts = Receipts{
&Receipt{
Status: ReceiptStatusFailed,
CumulativeGasUsed: 1,
Logs: []*Log{
{
Address: core.BytesToAddress([]byte{0x11}),
Topics: []core.Hash{core.HexToHash("dead"), core.HexToHash("beef")},
// derived fields:
BlockNumber: blockNumber.Uint64(),
TxHash: txs[0].Hash(),
@ -161,6 +152,7 @@ func TestDeriveFields(t *testing.T) {
},
{
Address: core.BytesToAddress([]byte{0x01, 0x11}),
Topics: []core.Hash{core.HexToHash("dead"), core.HexToHash("beef")},
// derived fields:
BlockNumber: blockNumber.Uint64(),
TxHash: txs[0].Hash(),
@ -184,6 +176,7 @@ func TestDeriveFields(t *testing.T) {
Logs: []*Log{
{
Address: core.BytesToAddress([]byte{0x22}),
Topics: []core.Hash{core.HexToHash("dead"), core.HexToHash("beef")},
// derived fields:
BlockNumber: blockNumber.Uint64(),
TxHash: txs[1].Hash(),
@ -193,6 +186,7 @@ func TestDeriveFields(t *testing.T) {
},
{
Address: core.BytesToAddress([]byte{0x02, 0x22}),
Topics: []core.Hash{core.HexToHash("dead"), core.HexToHash("beef")},
// derived fields:
BlockNumber: blockNumber.Uint64(),
TxHash: txs[1].Hash(),
@ -249,7 +243,19 @@ func TestDeriveFields(t *testing.T) {
TransactionIndex: 4,
},
}
)
func TestDecodeEmptyTypedReceipt(t *testing.T) {
input := []byte{0x80}
var r Receipt
err := rlp.DecodeBytes(input, &r)
if err != errEmptyTypedReceipt {
t.Fatal("wrong error:", err)
}
}
// Tests that receipt data can be correctly derived from the contextual infos
func TestDeriveFields(t *testing.T) {
// Re-derive receipts.
basefee := big.NewInt(1000)
derivedReceipts := clearComputedFieldsOnReceipts(receipts)
@ -263,6 +269,7 @@ func TestDeriveFields(t *testing.T) {
if err != nil {
t.Fatal("error marshaling input receipts:", err)
}
r2, err := json.MarshalIndent(derivedReceipts, "", " ")
if err != nil {
t.Fatal("error marshaling derived receipts:", err)
@ -273,6 +280,38 @@ func TestDeriveFields(t *testing.T) {
}
}
// Test that we can marshal/unmarshal receipts to/from json without errors.
// This also confirms that our test receipts contain all the required fields.
func TestReceiptJSON(t *testing.T) {
for i := range receipts {
b, err := receipts[i].MarshalJSON()
if err != nil {
t.Fatal("error marshaling receipt to json:", err)
}
r := Receipt{}
err = r.UnmarshalJSON(b)
if err != nil {
t.Fatal("error unmarshaling receipt from json:", err)
}
}
}
// Test we can still parse receipt without EffectiveGasPrice for backwards compatibility, even
// though it is required per the spec.
func TestEffectiveGasPriceNotRequired(t *testing.T) {
r := *receipts[0]
r.EffectiveGasPrice = nil
b, err := r.MarshalJSON()
if err != nil {
t.Fatal("error marshaling receipt to json:", err)
}
r2 := Receipt{}
err = r2.UnmarshalJSON(b)
if err != nil {
t.Fatal("error unmarshaling receipt from json:", err)
}
}
// TestTypedReceiptEncodingDecoding reproduces a flaw that existed in the receipt
// rlp decoder, which failed due to a shadowing error.
func TestTypedReceiptEncodingDecoding(t *testing.T) {

39
restricted/types/transaction.go
View File

@ -36,6 +36,7 @@ var (
ErrInvalidTxType = errors.New("transaction type not valid in this context")
ErrTxTypeNotSupported = errors.New("transaction type not supported")
ErrGasFeeCapTooLow = errors.New("fee cap less than base fee")
errShortTypedTx = errors.New("typed transaction too short")
errEmptyTypedTx = errors.New("empty typed transaction bytes")
)
@ -44,6 +45,7 @@ const (
LegacyTxType = iota
AccessListTxType
DynamicFeeTxType
BlobTxType
)
// Transaction is an Ethereum transaction.
@ -86,6 +88,9 @@ type TxData interface {
value() *big.Int
nonce() uint64
to() *core.Address
blobGas() uint64
blobGasFeeCap() *big.Int
blobHashes() []core.Hash
rawSignatureValues() (v, r, s *big.Int)
setSignatureValues(chainID, v, r, s *big.Int)
@ -97,6 +102,9 @@ type TxData interface {
// copy of the computed value, i.e. callers are allowed to mutate the result.
// Method implementations can use 'dst' to store the result.
effectiveGasPrice(dst *big.Int, baseFee *big.Int) *big.Int
encode(b *bytes.Buffer) error
decode([]byte) error
}
// EncodeRLP implements rlp.Encoder
@ -120,7 +128,7 @@ func (tx *Transaction) EncodeRLP(w io.Writer) error {
// encodeTyped writes the canonical encoding of a typed transaction to w.
func (tx *Transaction) encodeTyped(w *bytes.Buffer) error {
w.WriteByte(tx.Type())
return rlp.Encode(w, tx.inner)
return tx.inner.encode(w)
}
// MarshalBinary returns the canonical consensus encoding of the transaction.
@ -189,22 +197,24 @@ func (tx *Transaction) UnmarshalBinary(b []byte) error {
// decodeTyped decodes a typed transaction from the canonical format.
func (tx *Transaction) decodeTyped(b []byte) (TxData, error) {
if len(b) <= 1 {
return nil, errEmptyTypedTx
return nil, errShortTypedTx
}
var inner TxData
switch b[0] {
case AccessListTxType:
var inner AccessListTx
err := rlp.DecodeBytes(b[1:], &inner)
return &inner, err
inner = new(AccessListTx)
case DynamicFeeTxType:
var inner DynamicFeeTx
err := rlp.DecodeBytes(b[1:], &inner)
return &inner, err
inner = new(DynamicFeeTx)
case BlobTxType:
inner = new(BlobTx)
default:
return nil, ErrTxTypeNotSupported
}
err := inner.decode(b[1:])
return inner, err
}
// setDecoded sets the inner transaction and size after decoding.
func (tx *Transaction) setDecoded(inner TxData, size uint64) {
tx.inner = inner
@ -295,15 +305,26 @@ func (tx *Transaction) Value() *big.Int { return new(big.Int).Set(tx.inner.value
// Nonce returns the sender account nonce of the transaction.
func (tx *Transaction) Nonce() uint64 { return tx.inner.nonce() }
// BlobGasFeeCap returns the fee cap per gas of the transaction.
func (tx *Transaction) BlobGasFeeCap() *big.Int { return new(big.Int).Set(tx.inner.blobGasFeeCap()) }
// BlobGas returns the blob gas of the transaction.
func (tx *Transaction) BlobGas() uint64 { return tx.inner.blobGas() }
func (tx *Transaction) BlobHashes() []core.Hash { return tx.inner.blobHashes() }
// To returns the recipient address of the transaction.
// For contract-creation transactions, To returns nil.
func (tx *Transaction) To() *core.Address {
return copyAddressPtr(tx.inner.to())
}
// Cost returns gas * gasPrice + value.
// Cost returns (gas * gasPrice) + (blobGas * blobGasPrice) + value.
func (tx *Transaction) Cost() *big.Int {
total := new(big.Int).Mul(tx.GasPrice(), new(big.Int).SetUint64(tx.Gas()))
if tx.Type() == BlobTxType {
total.Add(total, new(big.Int).Mul(tx.BlobGasFeeCap(), new(big.Int).SetUint64(tx.BlobGas())))
}
total.Add(total, tx.Value())
return total
}

270
restricted/types/transaction_test.go
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