[WIP] structure/dep refactor
This commit is contained in:
Aleksandr Bezobchuk
parent
631cac4e3b
commit
fb9f6a7cdc
327
Gopkg.lock
generated
327
Gopkg.lock
generated
|
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@ -1,327 +0,0 @@
|
|||
# This file is autogenerated, do not edit; changes may be undone by the next 'dep ensure'.
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||||
|
||||
|
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[[projects]]
|
||||
branch = "master"
|
||||
name = "github.com/aristanetworks/goarista"
|
||||
packages = ["monotime"]
|
||||
revision = "59944ff78bc1de686b0aba1444dfd380f48f03d4"
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||||
|
||||
[[projects]]
|
||||
branch = "master"
|
||||
name = "github.com/btcsuite/btcd"
|
||||
packages = ["btcec"]
|
||||
revision = "86fed781132ac890ee03e906e4ecd5d6fa180c64"
|
||||
|
||||
[[projects]]
|
||||
name = "github.com/cosmos/cosmos-sdk"
|
||||
packages = [
|
||||
"store",
|
||||
"types",
|
||||
"wire"
|
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]
|
||||
revision = "cf46be225b7f3853e36af0feac04e29188cd4c95"
|
||||
version = "v0.17.5"
|
||||
|
||||
[[projects]]
|
||||
name = "github.com/davecgh/go-spew"
|
||||
packages = ["spew"]
|
||||
revision = "346938d642f2ec3594ed81d874461961cd0faa76"
|
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version = "v1.1.0"
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[[projects]]
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branch = "master"
|
||||
name = "github.com/edsrzf/mmap-go"
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packages = ["."]
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revision = "0bce6a6887123b67a60366d2c9fe2dfb74289d2e"
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[[projects]]
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name = "github.com/ethereum/go-ethereum"
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packages = [
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"common",
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"common/bitutil",
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"common/hexutil",
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"common/math",
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"common/mclock",
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"consensus",
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"consensus/ethash",
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"consensus/misc",
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"core",
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"core/rawdb",
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"core/state",
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"core/types",
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"core/vm",
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"crypto",
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"crypto/bn256",
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"crypto/bn256/cloudflare",
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"crypto/bn256/google",
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"crypto/secp256k1",
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"crypto/sha3",
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"ethdb",
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"event",
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"log",
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"metrics",
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"p2p/netutil",
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"params",
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"rlp",
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"rpc",
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"trie"
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]
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revision = "dea1ce052a10cd7d401a5c04f83f371a06fe293c"
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version = "v1.8.11"
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[[projects]]
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name = "github.com/go-kit/kit"
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packages = [
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"log",
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"log/level",
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"log/term"
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]
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revision = "4dc7be5d2d12881735283bcab7352178e190fc71"
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version = "v0.6.0"
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[[projects]]
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name = "github.com/go-logfmt/logfmt"
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packages = ["."]
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revision = "390ab7935ee28ec6b286364bba9b4dd6410cb3d5"
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version = "v0.3.0"
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[[projects]]
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name = "github.com/go-stack/stack"
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packages = ["."]
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revision = "259ab82a6cad3992b4e21ff5cac294ccb06474bc"
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version = "v1.7.0"
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[[projects]]
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name = "github.com/gogo/protobuf"
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packages = [
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"gogoproto",
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"jsonpb",
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"proto",
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"protoc-gen-gogo/descriptor",
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"sortkeys",
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"types"
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]
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revision = "1adfc126b41513cc696b209667c8656ea7aac67c"
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version = "v1.0.0"
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[[projects]]
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name = "github.com/golang/protobuf"
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packages = [
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"proto",
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"ptypes",
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"ptypes/any",
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"ptypes/duration",
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"ptypes/timestamp"
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]
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revision = "925541529c1fa6821df4e44ce2723319eb2be768"
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version = "v1.0.0"
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[[projects]]
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branch = "master"
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name = "github.com/golang/snappy"
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packages = ["."]
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revision = "2e65f85255dbc3072edf28d6b5b8efc472979f5a"
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[[projects]]
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branch = "master"
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name = "github.com/hashicorp/golang-lru"
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packages = [
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".",
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"simplelru"
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]
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revision = "0fb14efe8c47ae851c0034ed7a448854d3d34cf3"
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[[projects]]
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branch = "master"
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name = "github.com/jmhodges/levigo"
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packages = ["."]
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revision = "c42d9e0ca023e2198120196f842701bb4c55d7b9"
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[[projects]]
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branch = "master"
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name = "github.com/kr/logfmt"
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packages = ["."]
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revision = "b84e30acd515aadc4b783ad4ff83aff3299bdfe0"
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[[projects]]
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name = "github.com/pkg/errors"
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packages = ["."]
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revision = "645ef00459ed84a119197bfb8d8205042c6df63d"
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version = "v0.8.0"
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[[projects]]
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name = "github.com/rs/cors"
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packages = ["."]
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revision = "ca016a06a5753f8ba03029c0aa5e54afb1bf713f"
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version = "v1.4.0"
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[[projects]]
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branch = "master"
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name = "github.com/syndtr/goleveldb"
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packages = [
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"leveldb",
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"leveldb/cache",
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"leveldb/comparer",
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"leveldb/errors",
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"leveldb/filter",
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"leveldb/iterator",
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"leveldb/journal",
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"leveldb/memdb",
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"leveldb/opt",
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"leveldb/storage",
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"leveldb/table",
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"leveldb/util"
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]
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revision = "e2150783cd35f5b607daca48afd8c57ec54cc995"
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[[projects]]
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name = "github.com/tendermint/abci"
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packages = ["types"]
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revision = "78a8905690ef54f9d57e3b2b0ee7ad3a04ef3f1f"
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version = "v0.10.3"
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[[projects]]
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branch = "master"
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name = "github.com/tendermint/ed25519"
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packages = [
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".",
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"edwards25519",
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"extra25519"
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]
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revision = "d8387025d2b9d158cf4efb07e7ebf814bcce2057"
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[[projects]]
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name = "github.com/tendermint/go-amino"
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packages = ["."]
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revision = "ed62928576cfcaf887209dc96142cd79cdfff389"
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version = "0.9.9"
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[[projects]]
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name = "github.com/tendermint/go-crypto"
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packages = ["."]
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revision = "915416979bf70efa4bcbf1c6cd5d64c5fff9fc19"
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version = "v0.6.2"
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[[projects]]
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name = "github.com/tendermint/iavl"
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packages = [
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".",
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"sha256truncated"
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]
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revision = "c9206995e8f948e99927f5084a88a7e94ca256da"
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version = "v0.8.0-rc0"
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[[projects]]
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name = "github.com/tendermint/tmlibs"
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packages = [
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"common",
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"db",
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"log",
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"merkle"
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]
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revision = "692f1d86a6e2c0efa698fd1e4541b68c74ffaf38"
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version = "v0.8.4"
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[[projects]]
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branch = "master"
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name = "golang.org/x/crypto"
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packages = [
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"nacl/secretbox",
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"openpgp/armor",
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"openpgp/errors",
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"poly1305",
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"ripemd160",
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"salsa20/salsa"
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]
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revision = "8ac0e0d97ce45cd83d1d7243c060cb8461dda5e9"
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[[projects]]
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branch = "master"
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name = "golang.org/x/net"
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packages = [
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"context",
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"http/httpguts",
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"http2",
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"http2/hpack",
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"idna",
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"internal/timeseries",
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"trace",
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"websocket"
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]
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revision = "db08ff08e8622530d9ed3a0e8ac279f6d4c02196"
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[[projects]]
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name = "golang.org/x/text"
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packages = [
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"collate",
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"collate/build",
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"internal/colltab",
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"internal/gen",
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"internal/tag",
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"internal/triegen",
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"internal/ucd",
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"language",
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"secure/bidirule",
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"transform",
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"unicode/bidi",
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"unicode/cldr",
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"unicode/norm",
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"unicode/rangetable"
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]
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revision = "f21a4dfb5e38f5895301dc265a8def02365cc3d0"
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version = "v0.3.0"
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[[projects]]
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name = "google.golang.org/genproto"
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packages = ["googleapis/rpc/status"]
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revision = "7fd901a49ba6a7f87732eb344f6e3c5b19d1b200"
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[[projects]]
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name = "google.golang.org/grpc"
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packages = [
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".",
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"balancer",
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"codes",
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"connectivity",
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"credentials",
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"grpclb/grpc_lb_v1/messages",
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"grpclog",
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"internal",
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"keepalive",
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"metadata",
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"naming",
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"peer",
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"resolver",
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"stats",
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"status",
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||||
"tap",
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||||
"transport"
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]
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revision = "5b3c4e850e90a4cf6a20ebd46c8b32a0a3afcb9e"
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version = "v1.7.5"
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||||
[[projects]]
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name = "gopkg.in/fatih/set.v0"
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packages = ["."]
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revision = "57907de300222151a123d29255ed17f5ed43fad3"
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version = "v0.1.0"
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[[projects]]
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branch = "v2"
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name = "gopkg.in/karalabe/cookiejar.v2"
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packages = ["collections/prque"]
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revision = "8dcd6a7f4951f6ff3ee9cbb919a06d8925822e57"
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[[projects]]
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branch = "v2"
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||||
name = "gopkg.in/natefinch/npipe.v2"
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packages = ["."]
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revision = "c1b8fa8bdccecb0b8db834ee0b92fdbcfa606dd6"
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[solve-meta]
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analyzer-name = "dep"
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analyzer-version = 1
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inputs-digest = "c70e98edb879cb6bb6dbea237d8b58d872aea54a8217f895afdcf8efdd962601"
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solver-name = "gps-cdcl"
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solver-version = 1
|
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48
Gopkg.toml
48
Gopkg.toml
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@ -1,41 +1,23 @@
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# Gopkg.toml example
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||||
#
|
||||
# Refer to https://github.com/golang/dep/blob/master/docs/Gopkg.toml.md
|
||||
# for detailed Gopkg.toml documentation.
|
||||
#
|
||||
# required = ["github.com/user/thing/cmd/thing"]
|
||||
# ignored = ["github.com/user/project/pkgX", "bitbucket.org/user/project/pkgA/pkgY"]
|
||||
#
|
||||
# [[constraint]]
|
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# name = "github.com/user/project"
|
||||
# version = "1.0.0"
|
||||
#
|
||||
# [[constraint]]
|
||||
# name = "github.com/user/project2"
|
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# branch = "dev"
|
||||
# source = "github.com/myfork/project2"
|
||||
#
|
||||
# [[override]]
|
||||
# name = "github.com/x/y"
|
||||
# version = "2.4.0"
|
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#
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||||
# [prune]
|
||||
# non-go = false
|
||||
# go-tests = true
|
||||
# unused-packages = true
|
||||
[[constraint]]
|
||||
name = "github.com/cosmos/cosmos-sdk"
|
||||
version = "0.19.0"
|
||||
|
||||
[[override]]
|
||||
name = "github.com/tendermint/iavl"
|
||||
version = "0.8.0-rc0"
|
||||
[[constraint]]
|
||||
name = "github.com/ethereum/go-ethereum"
|
||||
version = "1.8.11"
|
||||
|
||||
[[constraint]]
|
||||
name = "github.com/tendermint/tendermint"
|
||||
version = "0.22.0-rc2"
|
||||
|
||||
[[constraint]]
|
||||
name = "github.com/golang/protobuf"
|
||||
version = "~1.0.0"
|
||||
|
||||
[[override]]
|
||||
name = "google.golang.org/genproto"
|
||||
revision = "7fd901a49ba6a7f87732eb344f6e3c5b19d1b200"
|
||||
|
||||
#[[constraint]]
|
||||
# name = "github.com/cosmos/cosmos-sdk"
|
||||
# version = "0.18.0"
|
||||
|
||||
|
||||
[prune]
|
||||
go-tests = true
|
||||
unused-packages = true
|
||||
|
|
|
|||
|
|
@ -6,10 +6,10 @@ import (
|
|||
"math/big"
|
||||
|
||||
"github.com/ethereum/go-ethereum/common/math"
|
||||
"github.com/ethereum/go-ethereum/consensus/ethash"
|
||||
"github.com/ethereum/go-ethereum/core/state"
|
||||
"github.com/ethereum/go-ethereum/core/types"
|
||||
"github.com/ethereum/go-ethereum/core/vm"
|
||||
"github.com/ethereum/go-ethereum/consensus/ethash"
|
||||
"github.com/ethereum/go-ethereum/params"
|
||||
)
|
||||
|
||||
|
|
@ -58,7 +58,7 @@ type StructLogRes struct {
|
|||
Storage *map[string]string `json:"storage,omitempty"`
|
||||
}
|
||||
|
||||
// formatLogs formats EVM returned structured logs for json output
|
||||
// formatLogs formats EVM returned structured logs for json output
|
||||
func FormatLogs(logs []vm.StructLog) []StructLogRes {
|
||||
formatted := make([]StructLogRes, len(logs))
|
||||
for index, trace := range logs {
|
||||
|
|
|
|||
124
core/chain.go
Normal file
124
core/chain.go
Normal file
|
|
@ -0,0 +1,124 @@
|
|||
package core
|
||||
|
||||
import (
|
||||
"math/big"
|
||||
|
||||
ethcommon "github.com/ethereum/go-ethereum/common"
|
||||
ethconsensus "github.com/ethereum/go-ethereum/consensus"
|
||||
ethstate "github.com/ethereum/go-ethereum/core/state"
|
||||
ethtypes "github.com/ethereum/go-ethereum/core/types"
|
||||
ethrpc "github.com/ethereum/go-ethereum/rpc"
|
||||
)
|
||||
|
||||
// ChainContext implements Ethereum's core.ChainContext and consensus.Engine
|
||||
// interfaces. It is needed in order to apply and process Ethereum
|
||||
// transactions. There should only be a single implementation in Ethermint. For
|
||||
// the purposes of Ethermint, it should be support retrieving headers and
|
||||
// consensus parameters from the current blockchain to be used during
|
||||
// transaction processing.
|
||||
//
|
||||
// NOTE: Ethermint will distribute the fees out to validators, so the structure
|
||||
// and functionality of this is a WIP and subject to change.
|
||||
type ChainContext struct {
|
||||
coinbase ethcommon.Address
|
||||
}
|
||||
|
||||
// Engine implements Ethereum's core.ChainContext interface. As a ChainContext
|
||||
// implements the consensus.Engine interface, it is simply returned.
|
||||
func (cc *ChainContext) Engine() ethconsensus.Engine {
|
||||
return cc
|
||||
}
|
||||
|
||||
// GetHeader implements Ethereum's core.ChainContext interface. It currently
|
||||
// performs a no-op.
|
||||
//
|
||||
// TODO: The Cosmos SDK supports retreiving such information in contexts and
|
||||
// multi-store, so this will be need to be integrated.
|
||||
func (cc *ChainContext) GetHeader(ethcommon.Hash, uint64) *ethtypes.Header {
|
||||
return nil
|
||||
}
|
||||
|
||||
// Author implements Ethereum's consensus.Engine interface. It is responsible
|
||||
// for returned the address of the validtor to receive any fees. This function
|
||||
// is only invoked if the given author in the ApplyTransaction call is nil.
|
||||
//
|
||||
// NOTE: Ethermint will distribute the fees out to validators, so the structure
|
||||
// and functionality of this is a WIP and subject to change.
|
||||
func (cc *ChainContext) Author(_ *ethtypes.Header) (ethcommon.Address, error) {
|
||||
return cc.coinbase, nil
|
||||
}
|
||||
|
||||
// APIs implements Ethereum's core.ChainContext interface. It currently
|
||||
// performs a no-op.
|
||||
//
|
||||
// TODO: Do we need to support such RPC APIs? This will tie into a bigger
|
||||
// discussion on if we want to support web3.
|
||||
func (cc *ChainContext) APIs(_ ethconsensus.ChainReader) []ethrpc.API {
|
||||
return nil
|
||||
}
|
||||
|
||||
// CalcDifficulty implements Ethereum's core.ChainContext interface. It
|
||||
// currently performs a no-op.
|
||||
func (cc *ChainContext) CalcDifficulty(_ ethconsensus.ChainReader, _ uint64, _ *ethtypes.Header) *big.Int {
|
||||
return nil
|
||||
}
|
||||
|
||||
// Finalize implements Ethereum's core.ChainContext interface. It currently
|
||||
// performs a no-op.
|
||||
//
|
||||
// TODO: Figure out if this needs to be hooked up to any part of the ABCI?
|
||||
func (cc *ChainContext) Finalize(
|
||||
_ ethconsensus.ChainReader, _ *ethtypes.Header, _ *ethstate.StateDB,
|
||||
_ []*ethtypes.Transaction, _ []*ethtypes.Header, _ []*ethtypes.Receipt,
|
||||
) (*ethtypes.Block, error) {
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
// Prepare implements Ethereum's core.ChainContext interface. It currently
|
||||
// performs a no-op.
|
||||
//
|
||||
// TODO: Figure out if this needs to be hooked up to any part of the ABCI?
|
||||
func (cc *ChainContext) Prepare(_ ethconsensus.ChainReader, _ *ethtypes.Header) error {
|
||||
return nil
|
||||
}
|
||||
|
||||
// Seal implements Ethereum's core.ChainContext interface. It currently
|
||||
// performs a no-op.
|
||||
//
|
||||
// TODO: Figure out if this needs to be hooked up to any part of the ABCI?
|
||||
func (cc *ChainContext) Seal(_ ethconsensus.ChainReader, _ *ethtypes.Block, _ <-chan struct{}) (*ethtypes.Block, error) {
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
// VerifyHeader implements Ethereum's core.ChainContext interface. It currently
|
||||
// performs a no-op.
|
||||
//
|
||||
// TODO: Figure out if this needs to be hooked up to any part of the Cosmos SDK
|
||||
// handlers?
|
||||
func (cc *ChainContext) VerifyHeader(_ ethconsensus.ChainReader, _ *ethtypes.Header, _ bool) error {
|
||||
return nil
|
||||
}
|
||||
|
||||
// VerifyHeaders implements Ethereum's core.ChainContext interface. It
|
||||
// currently performs a no-op.
|
||||
//
|
||||
// TODO: Figure out if this needs to be hooked up to any part of the Cosmos SDK
|
||||
// handlers?
|
||||
func (cc *ChainContext) VerifyHeaders(_ ethconsensus.ChainReader, _ []*ethtypes.Header, _ []bool) (chan<- struct{}, <-chan error) {
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
// VerifySeal implements Ethereum's core.ChainContext interface. It currently
|
||||
// performs a no-op.
|
||||
//
|
||||
// TODO: Figure out if this needs to be hooked up to any part of the Cosmos SDK
|
||||
// handlers?
|
||||
func (cc *ChainContext) VerifySeal(_ ethconsensus.ChainReader, _ *ethtypes.Header) error {
|
||||
return nil
|
||||
}
|
||||
|
||||
// VerifyUncles implements Ethereum's core.ChainContext interface. It currently
|
||||
// performs a no-op.
|
||||
func (cc *ChainContext) VerifyUncles(_ ethconsensus.ChainReader, _ *ethtypes.Block) error {
|
||||
return nil
|
||||
}
|
||||
65
core/ethdb.go
Normal file
65
core/ethdb.go
Normal file
|
|
@ -0,0 +1,65 @@
|
|||
package core
|
||||
|
||||
import (
|
||||
ethdb "github.com/ethereum/go-ethereum/ethdb"
|
||||
dbm "github.com/tendermint/tendermint/libs/db"
|
||||
)
|
||||
|
||||
// EthereumDB implements Ethereum's ethdb.Database and ethdb.Batch interfaces.
|
||||
// It will be used to facilitate persistence of codeHash => code mappings.
|
||||
type EthereumDB struct {
|
||||
codeDB dbm.DB
|
||||
}
|
||||
|
||||
// Put implements Ethereum's ethdb.Putter interface. It wraps the database
|
||||
// write operation supported by both batches and regular databases.
|
||||
func (edb *EthereumDB) Put(key []byte, value []byte) error {
|
||||
edb.codeDB.Set(key, value)
|
||||
return nil
|
||||
}
|
||||
|
||||
// Get implements Ethereum's ethdb.Database interface. It returns a value for a
|
||||
// given key.
|
||||
func (edb *EthereumDB) Get(key []byte) ([]byte, error) {
|
||||
return edb.codeDB.Get(key), nil
|
||||
}
|
||||
|
||||
// Has implements Ethereum's ethdb.Database interface. It returns a boolean
|
||||
// determining if the underlying database has the given key or not.
|
||||
func (edb *EthereumDB) Has(key []byte) (bool, error) {
|
||||
return edb.codeDB.Has(key), nil
|
||||
}
|
||||
|
||||
// Delete implements Ethereum's ethdb.Database interface. It removes a given
|
||||
// key from the underlying database.
|
||||
func (edb *EthereumDB) Delete(key []byte) error {
|
||||
edb.codeDB.Delete(key)
|
||||
return nil
|
||||
}
|
||||
|
||||
// Close implements Ethereum's ethdb.Database interface. It closes the
|
||||
// underlying database.
|
||||
func (edb *EthereumDB) Close() {
|
||||
edb.codeDB.Close()
|
||||
}
|
||||
|
||||
// NewBatch implements Ethereum's ethdb.Database interface. It returns a new
|
||||
// Batch object used for batch database operations.
|
||||
func (edb *EthereumDB) NewBatch() ethdb.Batch {
|
||||
return edb
|
||||
}
|
||||
|
||||
// ValueSize implements Ethereum's ethdb.Database interface. It performs a
|
||||
// no-op.
|
||||
func (edb *EthereumDB) ValueSize() int {
|
||||
return 0
|
||||
}
|
||||
|
||||
// Write implements Ethereum's ethdb.Database interface. It performs a no-op.
|
||||
func (edb *EthereumDB) Write() error {
|
||||
return nil
|
||||
}
|
||||
|
||||
// Reset implements Ethereum's ethdb.Database interface. It performs a no-op.
|
||||
func (edb *EthereumDB) Reset() {
|
||||
}
|
||||
603
main.go
603
main.go
|
|
@ -1,443 +1,172 @@
|
|||
// The implementation below is to be considered highly unstable and a continual
|
||||
// WIP. It is a means to replicate and test replaying Ethereum transactions
|
||||
// using the Cosmos SDK and the EVM. The ultimate result will be what is known
|
||||
// as Ethermint.
|
||||
package main
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
"encoding/binary"
|
||||
"encoding/json"
|
||||
"fmt"
|
||||
"io"
|
||||
"math/big"
|
||||
"os"
|
||||
// eth_common "github.com/ethereum/go-ethereum/common"
|
||||
// eth_misc "github.com/ethereum/go-ethereum/consensus/misc"
|
||||
// eth_core "github.com/ethereum/go-ethereum/core"
|
||||
// eth_state "github.com/ethereum/go-ethereum/core/state"
|
||||
// eth_types "github.com/ethereum/go-ethereum/core/types"
|
||||
// eth_vm "github.com/ethereum/go-ethereum/core/vm"
|
||||
// eth_params "github.com/ethereum/go-ethereum/params"
|
||||
// eth_rlp "github.com/ethereum/go-ethereum/rlp"
|
||||
// dbm "github.com/tendermint/tendermint/libs/db"
|
||||
|
||||
eth_common "github.com/ethereum/go-ethereum/common"
|
||||
eth_core "github.com/ethereum/go-ethereum/core"
|
||||
eth_state "github.com/ethereum/go-ethereum/core/state"
|
||||
eth_types "github.com/ethereum/go-ethereum/core/types"
|
||||
eth_vm "github.com/ethereum/go-ethereum/core/vm"
|
||||
eth_rlp "github.com/ethereum/go-ethereum/rlp"
|
||||
eth_ethdb "github.com/ethereum/go-ethereum/ethdb"
|
||||
eth_params "github.com/ethereum/go-ethereum/params"
|
||||
eth_rpc "github.com/ethereum/go-ethereum/rpc"
|
||||
eth_trie "github.com/ethereum/go-ethereum/trie"
|
||||
eth_consensus "github.com/ethereum/go-ethereum/consensus"
|
||||
eth_misc "github.com/ethereum/go-ethereum/consensus/misc"
|
||||
|
||||
dbm "github.com/tendermint/tmlibs/db"
|
||||
"github.com/cosmos/cosmos-sdk/store"
|
||||
"github.com/cosmos/cosmos-sdk/types"
|
||||
)
|
||||
|
||||
var (
|
||||
// Key for the sub-store with Ethereum accounts
|
||||
AccountsKey = types.NewKVStoreKey("account")
|
||||
// Key for the sub-store with storage data of Ethereum contracts
|
||||
StorageKey = types.NewKVStoreKey("storage")
|
||||
// Key for the sub-store with the code for contracts
|
||||
CodeKey = types.NewKVStoreKey("code")
|
||||
)
|
||||
|
||||
type CommitHashPreimage struct {
|
||||
VersionId int64
|
||||
Prefix []byte
|
||||
}
|
||||
|
||||
var miner501 = eth_common.HexToAddress("0x35e8e5dC5FBd97c5b421A80B596C030a2Be2A04D")
|
||||
|
||||
// Implementation of eth_state.Database
|
||||
type OurDatabase struct {
|
||||
stateStore store.CommitMultiStore // For the history of accounts <balance, nonce, storage root hash, code hash>
|
||||
// Also, for the history of contract data (effects of SSTORE instruction)
|
||||
accountsCache store.CacheKVStore
|
||||
storageCache store.CacheKVStore
|
||||
codeDb dbm.DB // Mapping [codeHash] -> <code>
|
||||
tracing bool
|
||||
trieDbDummy *eth_trie.Database
|
||||
}
|
||||
|
||||
func OurNewDatabase(stateDb, codeDb dbm.DB) (*OurDatabase, error) {
|
||||
od := &OurDatabase{}
|
||||
od.stateStore = store.NewCommitMultiStore(stateDb)
|
||||
od.stateStore.MountStoreWithDB(AccountsKey, types.StoreTypeIAVL, nil)
|
||||
od.stateStore.MountStoreWithDB(StorageKey, types.StoreTypeIAVL, nil)
|
||||
if err := od.stateStore.LoadLatestVersion(); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
od.codeDb = codeDb
|
||||
od.trieDbDummy = eth_trie.NewDatabase(&OurEthDb{codeDb: codeDb})
|
||||
return od, nil
|
||||
}
|
||||
|
||||
// root is not interpreted as a hash, but as an encoding of version
|
||||
func (od *OurDatabase) OpenTrie(root eth_common.Hash) (eth_state.Trie, error) {
|
||||
// Look up version id to use
|
||||
hasData := root != (eth_common.Hash{})
|
||||
versionId := od.stateStore.LastCommitID().Version
|
||||
if hasData {
|
||||
// First 8 bytes encode version
|
||||
versionId = int64(binary.BigEndian.Uint64(root[:8]))
|
||||
if od.stateStore.LastCommitID().Version != versionId {
|
||||
if err := od.stateStore.LoadVersion(versionId); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
od.accountsCache = nil
|
||||
}
|
||||
}
|
||||
if od.accountsCache == nil {
|
||||
od.accountsCache = store.NewCacheKVStore(od.stateStore.GetCommitKVStore(AccountsKey))
|
||||
od.storageCache = store.NewCacheKVStore(od.stateStore.GetCommitKVStore(StorageKey))
|
||||
}
|
||||
return &OurTrie{od: od, st: od.accountsCache, prefix: nil, hasData: hasData}, nil
|
||||
}
|
||||
|
||||
func (od *OurDatabase) OpenStorageTrie(addrHash, root eth_common.Hash) (eth_state.Trie, error) {
|
||||
hasData := root != (eth_common.Hash{})
|
||||
return &OurTrie{od:od, st: od.storageCache, prefix: addrHash[:], hasData: hasData}, nil
|
||||
}
|
||||
|
||||
func (od *OurDatabase) CopyTrie(eth_state.Trie) eth_state.Trie {
|
||||
return nil
|
||||
}
|
||||
|
||||
func (od *OurDatabase) ContractCode(addrHash, codeHash eth_common.Hash) ([]byte, error) {
|
||||
code := od.codeDb.Get(codeHash[:])
|
||||
return code, nil
|
||||
}
|
||||
|
||||
func (od *OurDatabase) ContractCodeSize(addrHash, codeHash eth_common.Hash) (int, error) {
|
||||
code := od.codeDb.Get(codeHash[:])
|
||||
return len(code), nil
|
||||
}
|
||||
|
||||
func (od *OurDatabase) TrieDB() *eth_trie.Database {
|
||||
return od.trieDbDummy
|
||||
}
|
||||
|
||||
// Implementation of state.Trie from go-ethereum
|
||||
type OurTrie struct {
|
||||
od *OurDatabase
|
||||
// This is essentially part of the KVStore for a specific prefix
|
||||
st store.KVStore
|
||||
prefix []byte
|
||||
hasData bool
|
||||
}
|
||||
|
||||
func (ot *OurTrie) makePrefix(key []byte) []byte {
|
||||
kk := make([]byte, len(ot.prefix)+len(key))
|
||||
copy(kk, ot.prefix)
|
||||
copy(kk[len(ot.prefix):], key)
|
||||
return kk
|
||||
}
|
||||
|
||||
func (ot *OurTrie) TryGet(key []byte) ([]byte, error) {
|
||||
if ot.prefix == nil {
|
||||
return ot.st.Get(key), nil
|
||||
}
|
||||
return ot.st.Get(ot.makePrefix(key)), nil
|
||||
}
|
||||
|
||||
func (ot *OurTrie) TryUpdate(key, value []byte) error {
|
||||
ot.hasData = true
|
||||
if ot.prefix == nil {
|
||||
ot.st.Set(key, value)
|
||||
return nil
|
||||
}
|
||||
ot.st.Set(ot.makePrefix(key), value)
|
||||
return nil
|
||||
}
|
||||
|
||||
func (ot *OurTrie) TryDelete(key []byte) error {
|
||||
if ot.prefix == nil {
|
||||
ot.st.Delete(key)
|
||||
return nil
|
||||
}
|
||||
ot.st.Delete(ot.makePrefix(key))
|
||||
return nil
|
||||
}
|
||||
|
||||
func (ot *OurTrie) Commit(onleaf eth_trie.LeafCallback) (eth_common.Hash, error) {
|
||||
if !ot.hasData {
|
||||
return eth_common.Hash{}, nil
|
||||
}
|
||||
var commitHash eth_common.Hash
|
||||
// We assume here that the next committed version will be od.stateStore.LastCommitID().Version+1
|
||||
binary.BigEndian.PutUint64(commitHash[:8], uint64(ot.od.stateStore.LastCommitID().Version+1))
|
||||
if ot.prefix == nil {
|
||||
if ot.od.accountsCache != nil {
|
||||
ot.od.accountsCache.Write()
|
||||
ot.od.accountsCache = nil
|
||||
}
|
||||
if ot.od.storageCache != nil {
|
||||
ot.od.storageCache.Write()
|
||||
ot.od.storageCache = nil
|
||||
}
|
||||
// Enumerate cached nodes from trie.Database
|
||||
for _, n := range ot.od.trieDbDummy.Nodes() {
|
||||
if err := ot.od.trieDbDummy.Commit(n, false); err != nil {
|
||||
return eth_common.Hash{}, err
|
||||
}
|
||||
}
|
||||
}
|
||||
return commitHash, nil
|
||||
}
|
||||
|
||||
func (ot *OurTrie) Hash() eth_common.Hash {
|
||||
return eth_common.Hash{}
|
||||
}
|
||||
|
||||
func (ot *OurTrie) NodeIterator(startKey []byte) eth_trie.NodeIterator {
|
||||
return nil
|
||||
}
|
||||
|
||||
func (ot *OurTrie) GetKey([]byte) []byte {
|
||||
return nil
|
||||
}
|
||||
|
||||
func (ot *OurTrie) Prove(key []byte, fromLevel uint, proofDb eth_ethdb.Putter) error {
|
||||
return nil
|
||||
}
|
||||
|
||||
// Dummy implementation of core.ChainContext and consensus Engine from go-ethereum
|
||||
type OurChainContext struct {
|
||||
coinbase eth_common.Address // This is where the transaction fees will go
|
||||
}
|
||||
|
||||
func (occ *OurChainContext) Engine() eth_consensus.Engine {
|
||||
return occ
|
||||
}
|
||||
|
||||
func (occ *OurChainContext) GetHeader(eth_common.Hash, uint64) *eth_types.Header {
|
||||
return nil
|
||||
}
|
||||
|
||||
func (occ *OurChainContext) Author(header *eth_types.Header) (eth_common.Address, error) {
|
||||
return occ.coinbase, nil
|
||||
}
|
||||
|
||||
func (occ *OurChainContext) APIs(chain eth_consensus.ChainReader) []eth_rpc.API {
|
||||
return nil
|
||||
}
|
||||
|
||||
func (occ *OurChainContext) CalcDifficulty(chain eth_consensus.ChainReader, time uint64, parent *eth_types.Header) *big.Int {
|
||||
return nil
|
||||
}
|
||||
|
||||
func (occ *OurChainContext) Finalize(chain eth_consensus.ChainReader, header *eth_types.Header, state *eth_state.StateDB, txs []*eth_types.Transaction,
|
||||
uncles []*eth_types.Header, receipts []*eth_types.Receipt) (*eth_types.Block, error) {
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
func (occ *OurChainContext) Prepare(chain eth_consensus.ChainReader, header *eth_types.Header) error {
|
||||
return nil
|
||||
}
|
||||
|
||||
func (occ *OurChainContext) Seal(chain eth_consensus.ChainReader, block *eth_types.Block, stop <-chan struct{}) (*eth_types.Block, error) {
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
func (occ *OurChainContext) VerifyHeader(chain eth_consensus.ChainReader, header *eth_types.Header, seal bool) error {
|
||||
return nil
|
||||
}
|
||||
|
||||
func (occ *OurChainContext) VerifyHeaders(chain eth_consensus.ChainReader, headers []*eth_types.Header, seals []bool) (chan<- struct{}, <-chan error) {
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
func (occ *OurChainContext) VerifySeal(chain eth_consensus.ChainReader, header *eth_types.Header) error {
|
||||
return nil
|
||||
}
|
||||
|
||||
func (occ *OurChainContext) VerifyUncles(chain eth_consensus.ChainReader, block *eth_types.Block) error {
|
||||
return nil
|
||||
}
|
||||
|
||||
// Implementation of ethdb.Database and ethdb.Batch from go-ethereum
|
||||
type OurEthDb struct {
|
||||
codeDb dbm.DB
|
||||
}
|
||||
|
||||
func (oedb *OurEthDb) Put(key []byte, value []byte) error {
|
||||
oedb.codeDb.Set(key, value)
|
||||
return nil
|
||||
}
|
||||
|
||||
func (oedb *OurEthDb) Get(key []byte) ([]byte, error) {
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
func (oedb *OurEthDb) Has(key []byte) (bool, error) {
|
||||
return false, nil
|
||||
}
|
||||
|
||||
func (oedb *OurEthDb) Delete(key []byte) error {
|
||||
return nil
|
||||
}
|
||||
|
||||
func (oedb *OurEthDb) Close() {
|
||||
}
|
||||
|
||||
func (oedb *OurEthDb) NewBatch() eth_ethdb.Batch {
|
||||
return oedb
|
||||
}
|
||||
|
||||
func (oedb *OurEthDb) ValueSize() int {
|
||||
return 0
|
||||
}
|
||||
|
||||
func (oedb *OurEthDb) Write() error {
|
||||
return nil
|
||||
}
|
||||
|
||||
func (oedb *OurEthDb) Reset() {
|
||||
}
|
||||
// var (
|
||||
// // TODO: Document...
|
||||
// miner501 = eth_common.HexToAddress("0x35e8e5dC5FBd97c5b421A80B596C030a2Be2A04D")
|
||||
// )
|
||||
|
||||
func main() {
|
||||
stateDb := dbm.NewDB("state" /* name */, dbm.MemDBBackend, "" /* dir */)
|
||||
codeDb := dbm.NewDB("code" /* name */, dbm.MemDBBackend, "" /* dir */)
|
||||
d, err := OurNewDatabase(stateDb, codeDb)
|
||||
if err != nil {
|
||||
panic(err)
|
||||
}
|
||||
fmt.Printf("Instantiating state.StateDB\n")
|
||||
// With empty root hash, i.e. empty state
|
||||
statedb, err := eth_state.New(eth_common.Hash{}, d)
|
||||
if err != nil {
|
||||
panic(err)
|
||||
}
|
||||
g := eth_core.DefaultGenesisBlock()
|
||||
for addr, account := range g.Alloc {
|
||||
statedb.AddBalance(addr, account.Balance)
|
||||
statedb.SetCode(addr, account.Code)
|
||||
statedb.SetNonce(addr, account.Nonce)
|
||||
for key, value := range account.Storage {
|
||||
statedb.SetState(addr, key, value)
|
||||
}
|
||||
}
|
||||
// stateDb := dbm.NewDB("state" /* name */, dbm.MemDBBackend, "" /* dir */)
|
||||
// codeDB := dbm.NewDB("code" /* name */, dbm.MemDBBackend, "" /* dir */)
|
||||
// d, err := OurNewDatabase(stateDb, codeDB)
|
||||
// if err != nil {
|
||||
// panic(err)
|
||||
// }
|
||||
// fmt.Printf("Instantiating state.StateDB\n")
|
||||
// // With empty root hash, i.e. empty state
|
||||
// statedb, err := eth_state.New(eth_common.Hash{}, d)
|
||||
// if err != nil {
|
||||
// panic(err)
|
||||
// }
|
||||
// g := eth_core.DefaultGenesisBlock()
|
||||
// for addr, account := range g.Alloc {
|
||||
// statedb.AddBalance(addr, account.Balance)
|
||||
// statedb.SetCode(addr, account.Code)
|
||||
// statedb.SetNonce(addr, account.Nonce)
|
||||
// for key, value := range account.Storage {
|
||||
// statedb.SetState(addr, key, value)
|
||||
// }
|
||||
// }
|
||||
|
||||
// One of the genesis account having 200 ETH
|
||||
b := statedb.GetBalance(eth_common.HexToAddress("0x756F45E3FA69347A9A973A725E3C98bC4db0b5a0"))
|
||||
fmt.Printf("Balance: %s\n", b)
|
||||
genesis_root, err := statedb.Commit(false /* deleteEmptyObjects */)
|
||||
if err != nil {
|
||||
panic(err)
|
||||
}
|
||||
commitID := d.stateStore.Commit()
|
||||
fmt.Printf("CommitID after genesis: %v\n", commitID)
|
||||
fmt.Printf("Genesis state root hash: %x\n", genesis_root[:])
|
||||
// File with blockchain data exported from geth by using "geth expordb" command
|
||||
input, err := os.Open("/Users/alexeyakhunov/mygit/blockchain")
|
||||
if err != nil {
|
||||
panic(err)
|
||||
}
|
||||
defer input.Close()
|
||||
// Ethereum mainnet config
|
||||
chainConfig := eth_params.MainnetChainConfig
|
||||
stream := eth_rlp.NewStream(input, 0)
|
||||
var block eth_types.Block
|
||||
n := 0
|
||||
var root500 eth_common.Hash // Root hash after block 500
|
||||
var root501 eth_common.Hash // Root hash after block 501
|
||||
prev_root := genesis_root
|
||||
d.tracing = true
|
||||
chainContext := &OurChainContext{}
|
||||
vmConfig := eth_vm.Config{}
|
||||
for {
|
||||
if err = stream.Decode(&block); err == io.EOF {
|
||||
err = nil // Clear it
|
||||
break
|
||||
} else if err != nil {
|
||||
panic(fmt.Errorf("at block %d: %v", block.NumberU64(), err))
|
||||
}
|
||||
// don't import first block
|
||||
if block.NumberU64() == 0 {
|
||||
continue
|
||||
}
|
||||
header := block.Header()
|
||||
chainContext.coinbase = header.Coinbase
|
||||
statedb, err := eth_state.New(prev_root, d)
|
||||
if err != nil {
|
||||
panic(fmt.Errorf("at block %d: %v", block.NumberU64(), err))
|
||||
}
|
||||
var (
|
||||
receipts eth_types.Receipts
|
||||
usedGas = new(uint64)
|
||||
allLogs []*eth_types.Log
|
||||
gp = new(eth_core.GasPool).AddGas(block.GasLimit())
|
||||
)
|
||||
if chainConfig.DAOForkSupport && chainConfig.DAOForkBlock != nil && chainConfig.DAOForkBlock.Cmp(block.Number()) == 0 {
|
||||
eth_misc.ApplyDAOHardFork(statedb)
|
||||
}
|
||||
for i, tx := range block.Transactions() {
|
||||
statedb.Prepare(tx.Hash(), block.Hash(), i)
|
||||
var h eth_common.Hash = tx.Hash()
|
||||
if bytes.Equal(h[:], eth_common.FromHex("0xc438cfcc3b74a28741bda361032f1c6362c34aa0e1cedff693f31ec7d6a12717")) {
|
||||
vmConfig.Tracer = eth_vm.NewStructLogger(ð_vm.LogConfig{})
|
||||
vmConfig.Debug = true
|
||||
}
|
||||
receipt, _, err := eth_core.ApplyTransaction(chainConfig, chainContext, nil, gp, statedb, header, tx, usedGas, vmConfig)
|
||||
if vmConfig.Tracer != nil {
|
||||
w, err := os.Create("structlogs.txt")
|
||||
if err != nil {
|
||||
panic(err)
|
||||
}
|
||||
encoder := json.NewEncoder(w)
|
||||
logs := FormatLogs(vmConfig.Tracer.(*eth_vm.StructLogger).StructLogs())
|
||||
if err := encoder.Encode(logs); err != nil {
|
||||
panic(err)
|
||||
}
|
||||
if err := w.Close(); err != nil {
|
||||
panic(err)
|
||||
}
|
||||
vmConfig.Debug = false
|
||||
vmConfig.Tracer = nil
|
||||
}
|
||||
if err != nil {
|
||||
panic(fmt.Errorf("at block %d, tx %x: %v", block.NumberU64(), tx.Hash(), err))
|
||||
}
|
||||
receipts = append(receipts, receipt)
|
||||
allLogs = append(allLogs, receipt.Logs...)
|
||||
}
|
||||
// Apply mining rewards to the statedb
|
||||
accumulateRewards(chainConfig, statedb, header, block.Uncles())
|
||||
// Commit block
|
||||
prev_root, err = statedb.Commit(chainConfig.IsEIP158(block.Number()) /* deleteEmptyObjects */)
|
||||
if err != nil {
|
||||
panic(fmt.Errorf("at block %d: %v", block.NumberU64(), err))
|
||||
}
|
||||
//fmt.Printf("State root after block %d: %x\n", block.NumberU64(), prev_root)
|
||||
d.stateStore.Commit()
|
||||
//fmt.Printf("CommitID after block %d: %v\n", block.NumberU64(), commitID)
|
||||
switch block.NumberU64() {
|
||||
case 500:
|
||||
root500 = prev_root
|
||||
case 501:
|
||||
root501 = prev_root
|
||||
}
|
||||
n++
|
||||
if n % 10000 == 0 {
|
||||
fmt.Printf("Processed %d blocks\n", n)
|
||||
}
|
||||
if n >= 100000 {
|
||||
break
|
||||
}
|
||||
}
|
||||
fmt.Printf("Processed %d blocks\n", n)
|
||||
d.tracing = true
|
||||
genesis_state, err := eth_state.New(genesis_root, d)
|
||||
fmt.Printf("Balance of one of the genesis investors: %s\n", genesis_state.GetBalance(eth_common.HexToAddress("0x756F45E3FA69347A9A973A725E3C98bC4db0b5a0")))
|
||||
//miner501 := eth_common.HexToAddress("0x35e8e5dC5FBd97c5b421A80B596C030a2Be2A04D") // Miner of the block 501
|
||||
// Try to create a new statedb from root of the block 500
|
||||
fmt.Printf("root500: %x\n", root500[:])
|
||||
state500, err := eth_state.New(root500, d)
|
||||
if err != nil {
|
||||
panic(err)
|
||||
}
|
||||
miner501_balance_at_500 := state500.GetBalance(miner501)
|
||||
state501, err := eth_state.New(root501, d)
|
||||
if err != nil {
|
||||
panic(err)
|
||||
}
|
||||
miner501_balance_at_501 := state501.GetBalance(miner501)
|
||||
fmt.Printf("Investor's balance after block 500: %d\n", state500.GetBalance(eth_common.HexToAddress("0x756F45E3FA69347A9A973A725E3C98bC4db0b5a0")))
|
||||
fmt.Printf("Miner of block 501's balance after block 500: %d\n", miner501_balance_at_500)
|
||||
fmt.Printf("Miner of block 501's balance after block 501: %d\n", miner501_balance_at_501)
|
||||
}
|
||||
// // One of the genesis account having 200 ETH
|
||||
// b := statedb.GetBalance(eth_common.HexToAddress("0x756F45E3FA69347A9A973A725E3C98bC4db0b5a0"))
|
||||
// fmt.Printf("Balance: %s\n", b)
|
||||
// genesis_root, err := statedb.Commit(false /* deleteEmptyObjects */)
|
||||
// if err != nil {
|
||||
// panic(err)
|
||||
// }
|
||||
// commitID := d.stateStore.Commit()
|
||||
// fmt.Printf("CommitID after genesis: %v\n", commitID)
|
||||
// fmt.Printf("Genesis state root hash: %x\n", genesis_root[:])
|
||||
// // File with blockchain data exported from geth by using "geth expordb" command
|
||||
// input, err := os.Open("/Users/alexeyakhunov/mygit/blockchain")
|
||||
// if err != nil {
|
||||
// panic(err)
|
||||
// }
|
||||
// defer input.Close()
|
||||
// // Ethereum mainnet config
|
||||
// chainConfig := eth_params.MainnetChainConfig
|
||||
// stream := eth_rlp.NewStream(input, 0)
|
||||
// var block eth_types.Block
|
||||
// n := 0
|
||||
// var root500 eth_common.Hash // Root hash after block 500
|
||||
// var root501 eth_common.Hash // Root hash after block 501
|
||||
// prev_root := genesis_root
|
||||
// d.tracing = true
|
||||
// chainContext := &OurChainContext{}
|
||||
// vmConfig := eth_vm.Config{}
|
||||
// for {
|
||||
// if err = stream.Decode(&block); err == io.EOF {
|
||||
// err = nil // Clear it
|
||||
// break
|
||||
// } else if err != nil {
|
||||
// panic(fmt.Errorf("at block %d: %v", block.NumberU64(), err))
|
||||
// }
|
||||
// // don't import first block
|
||||
// if block.NumberU64() == 0 {
|
||||
// continue
|
||||
// }
|
||||
// header := block.Header()
|
||||
// chainContext.coinbase = header.Coinbase
|
||||
// statedb, err := eth_state.New(prev_root, d)
|
||||
// if err != nil {
|
||||
// panic(fmt.Errorf("at block %d: %v", block.NumberU64(), err))
|
||||
// }
|
||||
// var (
|
||||
// receipts eth_types.Receipts
|
||||
// usedGas = new(uint64)
|
||||
// allLogs []*eth_types.Log
|
||||
// gp = new(eth_core.GasPool).AddGas(block.GasLimit())
|
||||
// )
|
||||
// if chainConfig.DAOForkSupport && chainConfig.DAOForkBlock != nil && chainConfig.DAOForkBlock.Cmp(block.Number()) == 0 {
|
||||
// eth_misc.ApplyDAOHardFork(statedb)
|
||||
// }
|
||||
// for i, tx := range block.Transactions() {
|
||||
// statedb.Prepare(tx.Hash(), block.Hash(), i)
|
||||
// var h eth_common.Hash = tx.Hash()
|
||||
// if bytes.Equal(h[:], eth_common.FromHex("0xc438cfcc3b74a28741bda361032f1c6362c34aa0e1cedff693f31ec7d6a12717")) {
|
||||
// vmConfig.Tracer = eth_vm.NewStructLogger(ð_vm.LogConfig{})
|
||||
// vmConfig.Debug = true
|
||||
// }
|
||||
// receipt, _, err := eth_core.ApplyTransaction(chainConfig, chainContext, nil, gp, statedb, header, tx, usedGas, vmConfig)
|
||||
// if vmConfig.Tracer != nil {
|
||||
// w, err := os.Create("structlogs.txt")
|
||||
// if err != nil {
|
||||
// panic(err)
|
||||
// }
|
||||
// encoder := json.NewEncoder(w)
|
||||
// logs := FormatLogs(vmConfig.Tracer.(*eth_vm.StructLogger).StructLogs())
|
||||
// if err := encoder.Encode(logs); err != nil {
|
||||
// panic(err)
|
||||
// }
|
||||
// if err := w.Close(); err != nil {
|
||||
// panic(err)
|
||||
// }
|
||||
// vmConfig.Debug = false
|
||||
// vmConfig.Tracer = nil
|
||||
// }
|
||||
// if err != nil {
|
||||
// panic(fmt.Errorf("at block %d, tx %x: %v", block.NumberU64(), tx.Hash(), err))
|
||||
// }
|
||||
// receipts = append(receipts, receipt)
|
||||
// allLogs = append(allLogs, receipt.Logs...)
|
||||
// }
|
||||
// // Apply mining rewards to the statedb
|
||||
// accumulateRewards(chainConfig, statedb, header, block.Uncles())
|
||||
// // Commit block
|
||||
// prev_root, err = statedb.Commit(chainConfig.IsEIP158(block.Number()) /* deleteEmptyObjects */)
|
||||
// if err != nil {
|
||||
// panic(fmt.Errorf("at block %d: %v", block.NumberU64(), err))
|
||||
// }
|
||||
// //fmt.Printf("State root after block %d: %x\n", block.NumberU64(), prev_root)
|
||||
// d.stateStore.Commit()
|
||||
// //fmt.Printf("CommitID after block %d: %v\n", block.NumberU64(), commitID)
|
||||
// switch block.NumberU64() {
|
||||
// case 500:
|
||||
// root500 = prev_root
|
||||
// case 501:
|
||||
// root501 = prev_root
|
||||
// }
|
||||
// n++
|
||||
// if n%10000 == 0 {
|
||||
// fmt.Printf("Processed %d blocks\n", n)
|
||||
// }
|
||||
// if n >= 100000 {
|
||||
// break
|
||||
// }
|
||||
// }
|
||||
// fmt.Printf("Processed %d blocks\n", n)
|
||||
// d.tracing = true
|
||||
// genesis_state, err := eth_state.New(genesis_root, d)
|
||||
// fmt.Printf("Balance of one of the genesis investors: %s\n", genesis_state.GetBalance(eth_common.HexToAddress("0x756F45E3FA69347A9A973A725E3C98bC4db0b5a0")))
|
||||
// //miner501 := eth_common.HexToAddress("0x35e8e5dC5FBd97c5b421A80B596C030a2Be2A04D") // Miner of the block 501
|
||||
// // Try to create a new statedb from root of the block 500
|
||||
// fmt.Printf("root500: %x\n", root500[:])
|
||||
// state500, err := eth_state.New(root500, d)
|
||||
// if err != nil {
|
||||
// panic(err)
|
||||
// }
|
||||
// miner501_balance_at_500 := state500.GetBalance(miner501)
|
||||
// state501, err := eth_state.New(root501, d)
|
||||
// if err != nil {
|
||||
// panic(err)
|
||||
// }
|
||||
// miner501_balance_at_501 := state501.GetBalance(miner501)
|
||||
// fmt.Printf("Investor's balance after block 500: %d\n", state500.GetBalance(eth_common.HexToAddress("0x756F45E3FA69347A9A973A725E3C98bC4db0b5a0")))
|
||||
// fmt.Printf("Miner of block 501's balance after block 500: %d\n", miner501_balance_at_500)
|
||||
// fmt.Printf("Miner of block 501's balance after block 501: %d\n", miner501_balance_at_501)
|
||||
}
|
||||
|
|
|
|||
179
state/database.go
Normal file
179
state/database.go
Normal file
|
|
@ -0,0 +1,179 @@
|
|||
package state
|
||||
|
||||
import (
|
||||
"encoding/binary"
|
||||
|
||||
"github.com/cosmos/cosmos-sdk/store"
|
||||
"github.com/cosmos/cosmos-sdk/types"
|
||||
ethcommon "github.com/ethereum/go-ethereum/common"
|
||||
ethstate "github.com/ethereum/go-ethereum/core/state"
|
||||
ethtrie "github.com/ethereum/go-ethereum/trie"
|
||||
"github.com/ledgerwatch/ethermint/core"
|
||||
dbm "github.com/tendermint/tendermint/libs/db"
|
||||
)
|
||||
|
||||
var (
|
||||
// AccountsKey is the key used for storing Ethereum accounts in the Cosmos
|
||||
// SDK multi-store.
|
||||
AccountsKey = types.NewKVStoreKey("account")
|
||||
|
||||
// StorageKey is the key used for storing Ethereum contract storage in the
|
||||
// Cosmos SDK multi-store.
|
||||
StorageKey = types.NewKVStoreKey("storage")
|
||||
|
||||
// CodeKey is the key used for storing Ethereum contract code in the Cosmos
|
||||
// SDK multi-store.
|
||||
CodeKey = types.NewKVStoreKey("code")
|
||||
)
|
||||
|
||||
// Database implements the Ethereum state.Database interface.
|
||||
type Database struct {
|
||||
// stateStore will be used for the history of accounts (balance, nonce,
|
||||
// storage root hash, code hash) and for the history of contract data
|
||||
// (effects of SSTORE instruction).
|
||||
stateStore store.CommitMultiStore
|
||||
accountsCache store.CacheKVStore
|
||||
storageCache store.CacheKVStore
|
||||
|
||||
// codeDB is a mapping of codeHash => code
|
||||
//
|
||||
// NOTE: This database will store the information in memory until is it
|
||||
// committed, using the function Commit. This function is called outside of
|
||||
// the ApplyTransaction function, therefore in Ethermint we need to make
|
||||
// sure this commit is invoked somewhere after each block or whatever the
|
||||
// appropriate time for it.
|
||||
codeDB dbm.DB
|
||||
ethTrieDB *ethtrie.Database
|
||||
|
||||
// TODO: Do we need this?
|
||||
tracing bool
|
||||
}
|
||||
|
||||
// NewDatabase returns a reference to an initialized Database type which
|
||||
// implements Ethereum's state.Database interface. An error is returned if the
|
||||
// latest state failed to load. The underlying storage structure is defined by
|
||||
// the Cosmos SDK IAVL tree.
|
||||
func NewDatabase(stateDB, codeDB dbm.DB) (*Database, error) {
|
||||
// Initialize an implementation of Ethereum state.Database and create a
|
||||
// Cosmos SDK multi-store.
|
||||
db := &Database{
|
||||
stateStore: store.NewCommitMultiStore(stateDB),
|
||||
}
|
||||
|
||||
// Create the underlying multi-store stores that will persist account and
|
||||
// account storage data.
|
||||
db.stateStore.MountStoreWithDB(AccountsKey, types.StoreTypeIAVL, nil)
|
||||
db.stateStore.MountStoreWithDB(StorageKey, types.StoreTypeIAVL, nil)
|
||||
|
||||
// Load the latest account state from the Cosmos SDK multi-store.
|
||||
if err := db.stateStore.LoadLatestVersion(); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
// Set the persistent Cosmos SDK Database and initialize an Ethereum
|
||||
// trie.Database using an EthereumDB as the underlying implementation of
|
||||
// the ethdb.Database interface. It will be used to facilitate persistence
|
||||
// of contract byte code when committing state.
|
||||
db.codeDB = codeDB
|
||||
db.ethTrieDB = ethtrie.NewDatabase(&core.EthereumDB{codeDB: codeDB})
|
||||
|
||||
return db, nil
|
||||
}
|
||||
|
||||
// OpenTrie implements Ethereum's state.Database interface. It returns a Trie
|
||||
// type which implements the Ethereum state.Trie interface. It us used for
|
||||
// storage of accounts. An error is returned if state cannot load for a
|
||||
// given version. The account cache is reset if the state is successfully
|
||||
// loaded and the version is not the latest.
|
||||
//
|
||||
// CONTRACT: The root parameter is not interpreted as a state root hash, but as
|
||||
// an encoding of an Cosmos SDK IAVL tree version.
|
||||
func (db *Database) OpenTrie(root ethcommon.Hash) (ethstate.Trie, error) {
|
||||
version := d.stateStore.LastCommitID().Version
|
||||
|
||||
if !isRootEmpty(root) {
|
||||
version = versionFromRootHash(root)
|
||||
|
||||
if db.stateStore.LastCommitID().Version != version {
|
||||
if err := db.stateStore.LoadVersion(version); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
d.accountsCache = nil
|
||||
}
|
||||
}
|
||||
|
||||
// reset the cache if the state was loaded for an older version ID
|
||||
if db.accountsCache == nil {
|
||||
d.accountsCache = store.NewCacheKVStore(d.stateStore.GetCommitKVStore(AccountsKey))
|
||||
d.storageCache = store.NewCacheKVStore(d.stateStore.GetCommitKVStore(StorageKey))
|
||||
}
|
||||
|
||||
return &Trie{
|
||||
od: db,
|
||||
st: od.accountsCache,
|
||||
prefix: nil,
|
||||
empty: isRootEmpty(root),
|
||||
}, nil
|
||||
}
|
||||
|
||||
// OpenStorageTrie implements Ethereum's state.Database interface. It returns
|
||||
// a Trie type which implements the Ethereum state.Trie interface. It is used
|
||||
// for storage of accounts storage (state).
|
||||
//
|
||||
// NOTE: It is assumed that the account state has already been loaded via
|
||||
// OpenTrie.
|
||||
//
|
||||
// CONTRACT: The root parameter is not interpreted as a state root hash, but as
|
||||
// an encoding of an IAVL tree version.
|
||||
func (db *Database) OpenStorageTrie(addrHash, root ethcommon.Hash) (ethstate.Trie, error) {
|
||||
return &Trie{
|
||||
od: d,
|
||||
st: d.storageCache,
|
||||
prefix: addrHash.Bytes(),
|
||||
empty: isRootEmpty(root),
|
||||
}, nil
|
||||
}
|
||||
|
||||
// CopyTrie implements Ethereum's state.Database interface. For now, it
|
||||
// performs a no-op as the underlying Cosmos SDK IAVL tree does not support
|
||||
// such an operation.
|
||||
//
|
||||
// TODO: Does the IAVL tree need to support this operation? If so, why and
|
||||
// how?
|
||||
func (db *Database) CopyTrie(ethstate.Trie) ethstate.Trie {
|
||||
return nil
|
||||
}
|
||||
|
||||
// ContractCode implements Ethereum's state.Database interface. It will return
|
||||
// the contract byte code for a given code hash. It will not return an error.
|
||||
func (db *Database) ContractCode(addrHash, codeHash ethcommon.Hash) ([]byte, error) {
|
||||
return d.codeDB.Get(codeHash[:]), nil
|
||||
}
|
||||
|
||||
// ContractCodeSize implements Ethereum's state.Database interface. It will
|
||||
// return the contract byte code size for a given code hash. It will not return
|
||||
// an error.
|
||||
func (db *Database) ContractCodeSize(addrHash, codeHash ethcommon.Hash) (int, error) {
|
||||
return len(d.codeDB.Get(codeHash[:])), nil
|
||||
}
|
||||
|
||||
// TrieDB implements Ethereum's state.Database interface. It returns Ethereum's
|
||||
// trie.Database low level trie database used for data storage. In the context
|
||||
// of Ethermint, it'll be used to solely store mappings of codeHash => code.
|
||||
func (db *Database) TrieDB() *ethtrie.Database {
|
||||
return d.ethTrieDB
|
||||
}
|
||||
|
||||
// isRootEmpty returns true if a given root hash is empty or false otherwise.
|
||||
func isRootEmpty(root ethcommon.Hash) bool {
|
||||
return root == ethcommon.Hash{}
|
||||
}
|
||||
|
||||
// versionFromRootHash returns an Cosmos SDK IAVL version from an Ethereum
|
||||
// state root hash.
|
||||
//
|
||||
// CONTRACT: The encoded version is the eight MSB bytes of the root hash.
|
||||
func versionFromRootHash(root ethcommon.Hash) int64 {
|
||||
return int64(binary.BigEndian.Uint64(root[:8]))
|
||||
}
|
||||
156
state/trie.go
Normal file
156
state/trie.go
Normal file
|
|
@ -0,0 +1,156 @@
|
|||
package state
|
||||
|
||||
import (
|
||||
"encoding/binary"
|
||||
|
||||
"github.com/cosmos/cosmos-sdk/store"
|
||||
ethcommon "github.com/ethereum/go-ethereum/common"
|
||||
ethdb "github.com/ethereum/go-ethereum/ethdb"
|
||||
ethtrie "github.com/ethereum/go-ethereum/trie"
|
||||
)
|
||||
|
||||
// Trie implements the Ethereum state.Trie interface.
|
||||
type Trie struct {
|
||||
// // db is an implementation of Ethereum's state.Database. It will provide a
|
||||
// // means to persist accounts and contract storage to a persistent
|
||||
// // multi-store.
|
||||
// db *Database
|
||||
|
||||
// Store is an IAVL KV store that is part of a larger store except it used
|
||||
// for a specific prefix.
|
||||
store store.KVStore
|
||||
|
||||
// prefix is a static prefix used for persistence operations where the
|
||||
// storage data is a contract state. This is to prevent key collisions
|
||||
// since the IAVL tree is used for all contract state.
|
||||
prefix []byte
|
||||
|
||||
// empty reflects if there exists any data in the tree
|
||||
empty bool
|
||||
|
||||
// root is the encoding of an IAVL tree root (version)
|
||||
root ethcommon.Hash
|
||||
}
|
||||
|
||||
// prefixKey returns a composite key composed of a static prefix and a given
|
||||
// key. This is used in situations where the storage data is contract state and
|
||||
// the underlying structure to store said state is a single IAVL tree. To
|
||||
// prevent collision, a static prefix is used.
|
||||
func (t *Trie) prefixKey(key []byte) []byte {
|
||||
compositeKey := make([]byte, len(t.prefix)+len(key))
|
||||
|
||||
copy(compositeKey, t.prefix)
|
||||
copy(compositeKey[len(t.prefix):], key)
|
||||
|
||||
return compositeKey
|
||||
}
|
||||
|
||||
// TryGet implements the Ethereum state.Trie interface. It returns the value
|
||||
// for key stored in the trie. The value bytes must not be modified by the
|
||||
// caller.
|
||||
func (t *Trie) TryGet(key []byte) ([]byte, error) {
|
||||
if t.prefix != nil {
|
||||
key = t.prefixKey(key)
|
||||
}
|
||||
|
||||
return t.store.Get(key), nil
|
||||
}
|
||||
|
||||
// TryUpdate implements the Ethereum state.Trie interface. It associates a
|
||||
// given key with a value in the trie. Subsequent calls to Get will return a
|
||||
// value. It also marks the tree as not empty.
|
||||
//
|
||||
// CONTRACT: The order of insertions must be deterministic due to the nature of
|
||||
// the IAVL tree. Since a CacheKVStore is used as the storage type, the keys
|
||||
// will be sorted giving us a deterministic ordering.
|
||||
func (t *Trie) TryUpdate(key, value []byte) error {
|
||||
t.empty = false
|
||||
|
||||
if t.prefix != nil {
|
||||
key = t.prefixKey(key)
|
||||
}
|
||||
|
||||
t.store.Set(key, value)
|
||||
return nil
|
||||
}
|
||||
|
||||
// TryDelete implements the Ethereum state.Trie interface. It removes any
|
||||
// existing value for a given key from the trie.
|
||||
//
|
||||
// CONTRACT: The order of deletions must be deterministic due to the nature of
|
||||
// the IAVL tree. Since a CacheKVStore is used as the storage type, the keys
|
||||
// will be sorted giving us a deterministic ordering.
|
||||
func (t *Trie) TryDelete(key []byte) error {
|
||||
if t.prefix != nil {
|
||||
key = t.makePrefix(key)
|
||||
}
|
||||
|
||||
t.store.Delete(key)
|
||||
return nil
|
||||
}
|
||||
|
||||
// Commit implements the Ethereum state.Trie interface. TODO: ...
|
||||
//
|
||||
// CONTRACT: The root is an encoded IAVL tree version.
|
||||
func (t *Trie) Commit(_ ethtrie.LeafCallback) (ethcommon.Hash, error) {
|
||||
if t.empty {
|
||||
return ethcommon.Hash{}, nil
|
||||
}
|
||||
|
||||
var root ethcommon.Hash
|
||||
|
||||
// We assume that the next committed version will be the od.stateStore.LastCommitID().Version+1
|
||||
binary.BigEndian.PutUint64(commitHash[:8], uint64(t.od.stateStore.LastCommitID().Version+1))
|
||||
|
||||
if t.prefix == nil {
|
||||
if t.od.accountsCache != nil {
|
||||
t.od.accountsCache.Write()
|
||||
t.od.accountsCache = nil
|
||||
}
|
||||
if t.od.storageCache != nil {
|
||||
t.od.storageCache.Write()
|
||||
t.od.storageCache = nil
|
||||
}
|
||||
// Enumerate cached nodes from trie.Database
|
||||
for _, n := range t.od.trieDbDummy.Nodes() {
|
||||
if err := t.od.trieDbDummy.Commit(n, false); err != nil {
|
||||
return eth_common.Hash{}, err
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
t.root = root
|
||||
return root, nil
|
||||
}
|
||||
|
||||
// Hash implements the Ethereum state.Trie interface. It returns the state root
|
||||
// of the Trie which is an encoding of the underlying IAVL tree.
|
||||
//
|
||||
// CONTRACT: The root is an encoded IAVL tree version.
|
||||
func (t *Trie) Hash() ethcommon.Hash {
|
||||
return t.root
|
||||
}
|
||||
|
||||
// NodeIterator implements the Ethereum state.Trie interface. Such a node
|
||||
// iterator is used primarily for the implementation of RPC API functions. It
|
||||
// performs a no-op.
|
||||
//
|
||||
// TODO: Determine if we need to implement such functionality for an IAVL tree.
|
||||
// This will ultimately be related to if we want to support web3.
|
||||
func (t *Trie) NodeIterator(startKey []byte) ethtrie.NodeIterator {
|
||||
return nil, fffsadf
|
||||
}
|
||||
|
||||
// GetKey implements the Ethereum state.Trie interface. Since the IAVL does not
|
||||
// need to store preimages of keys, a simply identity can be returned.
|
||||
func (t *Trie) GetKey(key []byte) []byte {
|
||||
return key
|
||||
}
|
||||
|
||||
// Prove implements the Ethereum state.Trie interface. It writes a Merkle proof
|
||||
// to a ethdb.Putter, proofDB, for a given key starting at fromLevel.
|
||||
//
|
||||
// TODO: Determine how to use the Cosmos SDK to provide such proof.
|
||||
func (t *Trie) Prove(key []byte, fromLevel uint, proofDB ethdb.Putter) error {
|
||||
return nil
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user