This is the initial step for support of Solidity errors in contract bindings.
As of this change, errors can be decoded, but are not supported in
bindings yet.
Closes#23157
* all: seperate consensus error and evm internal error
There are actually two types of error will be returned when
a tranaction/message call is executed: (a) consensus error
(b) evm internal error. The former should be converted to
a consensus issue, e.g. The sender doesn't enough asset to
purchase the gas it specifies. The latter is allowed since
evm itself is a blackbox and internal error is allowed to happen.
This PR emphasizes the difference by introducing a executionResult
structure. The evm error is embedded inside. So if any error
returned, it indicates consensus issue happens.
And also this PR improve the `EstimateGas` API to return the concrete
revert reason if the transaction always fails
* all: polish
* accounts/abi/bind/backends: add tests
* accounts/abi/bind/backends, internal: cleanup error message
* all: address comments
* core: fix lint
* accounts, core, eth, internal: address comments
* accounts, internal: resolve revert reason if possible
* accounts, internal: address comments
* accounts/abi: prevent recalculation of ID, Sig and String
* accounts/abi: fixed unpacking of no values
* accounts/abi: multiple fixes to arguments
* accounts/abi: refactored methodName and eventName
This commit moves the complicated logic of how we assign method names
and event names if they already exist into their own functions for
better readability.
* accounts/abi: prevent recalculation of internal
In this commit, I changed the way we calculate the string
representations, sig representations and the id's of methods. Before
that these fields would be recalculated everytime someone called .Sig()
.String() or .ID() on a method or an event.
Additionally this commit fixes issue #20856 as we assign names to inputs
with no name (input with name "" becomes "arg0")
* accounts/abi: added unnamed event params test
* accounts/abi: fixed rebasing errors in method sig
* accounts/abi: fixed rebasing errors in method sig
* accounts/abi: addressed comments
* accounts/abi: added FunctionType enumeration
* accounts/abi/bind: added test for unnamed arguments
* accounts/abi: improved readability in NewMethod, nitpicks
* accounts/abi: method/eventName -> overloadedMethodName
* accounts/abi: implement new fackball functions
In Solidity v0.6.0, the original fallback is separated
into two different sub types: fallback and receive.
This PR addes the support for parsing new format abi
and the relevant abigen functionalities.
* accounts/abi: fix unit tests
* accounts/abi: minor fixes
* accounts/abi, mobile: support jave binding
* accounts/abi: address marius's comment
* accounts/abi: Work around the uin64 conversion issue
Co-authored-by: Guillaume Ballet <gballet@gmail.com>
* accounts/abi: fix various issues
The fixed issues include:
(1) If there is no return in a call function, unpack should
return nil error
(2) For some functions which have struct array as parameter,
it will also be detected and generate the struct definition
(3) For event, if it has non-indexed parameter, the parameter
name will also be assigned if empty. Also the internal struct
will be detected and generate struct defition if not exist.
(4) Fix annotation generation in event function
* accounts/abi: add new abi field internalType
* accounts: address comments and add tests
* accounts/abi: replace strings.ReplaceAll with strings.Replace
The abi package already supports function overload by adding a suffix to the overloaded function name, but it uses the function name with suffix to calculate signature(both for the event and method).
This PR fixes it by adding a new field named RawName, which can be used to calcuate all signatures but use Name to distinguish different overloaded function.
* accounts/abi: Fix method overwritten by same name methods.
* accounts/abi: Fix method overwritten by same name methods.
* accounts/abi: avoid possible name conflict
Co-authored-by: Guillaume Ballet <gballet@gmail.com>
This function searches for an event+parameters in the ABI and returns it if found.
Co-authored-by: Victor Tran <vu.tran54@gmail.com>
Co-authored-by: Guillaume Ballet <gballet@gmail.com>
This change inlines the logic of bytesAreProper at its sole
callsite, ABI.Unpack, and applies the multiple-of-32 test only in
the case of unpacking methods. Event data is not required to be a
multiple of 32 bytes long.
* accounts/abi: reorganizing package and some notes and a quick correction of name.
Signed-off-by: RJ Catalano <rj@monax.io>
get rid of some imports
Signed-off-by: RJ Catalano <rj@monax.io>
* accounts/abi: move file names
Signed-off-by: RJ Catalano <rj@monax.io>
* accounts/abi: fix boolean decode function
Signed-off-by: RJ Catalano <rj@monax.io>
* accounts/abi: fix for the array set and for creating a bool
Signed-off-by: RJ Catalano <rj@monax.io>
* accounts/abi: be very very very correct
Signed-off-by: RJ Catalano <rj@monax.io>
* accounts/abi: fix up error message and variable names
Signed-off-by: RJ Catalano <rj@monax.io>
* accounts/abi: take out unnecessary argument in pack method
Signed-off-by: RJ Catalano <rj@monax.io>
* accounts/abi: add bool unpack test and add a panic to readBool function
Signed-off-by: RJ Catalano <rj@monax.io>
* accounts/abi: fix panic message
Signed-off-by: RJ Catalano <rj@monax.io>
* accounts/abi: change from panic to basic error
Signed-off-by: RJ Catalano <rj@monax.io>
* accounts/abi: fix nil to false
Signed-off-by: RJ Catalano <rj@monax.io>
* accounts/abi: fill out type regex tests and fill with the correct type for integers
Signed-off-by: RJ Catalano <rj@monax.io>
* accounts/abi: move packNumbers into pack.go.
Signed-off-by: RJ Catalano <rj@monax.io>
* accounts/abi: separation of the testing suite into appropriately named files.
Signed-off-by: RJ Catalano <rj@monax.io>
* account/abi: change to hex string tests.
Signed-off-by: RJ Catalano <rj@monax.io>
* account/abi: fix up rest of tests to hex
Signed-off-by: RJ Catalano <rj@monax.io>
* accounts/abi: declare bool at the package level
Signed-off-by: RJ Catalano <rj@monax.io>
* accounts/abi: use errors package in the error file.
Signed-off-by: RJ Catalano <rj@monax.io>
* accounts/abi: fix ugly hack and fix error type declaration.
Signed-off-by: RJ Catalano <rj@monax.io>
* common: remove CurrencyToString
Move denomination values to params instead.
* common: delete dead code
* common: move big integer operations to common/math
This commit consolidates all big integer operations into common/math and
adds tests and documentation.
There should be no change in semantics for BigPow, BigMin, BigMax, S256,
U256, Exp and their behaviour is now locked in by tests.
The BigD, BytesToBig and Bytes2Big functions don't provide additional
value, all uses are replaced by new(big.Int).SetBytes().
BigToBytes is now called PaddedBigBytes, its minimum output size
parameter is now specified as the number of bytes instead of bits. The
single use of this function is in the EVM's MSTORE instruction.
Big and String2Big are replaced by ParseBig, which is slightly stricter.
It previously accepted leading zeros for hexadecimal inputs but treated
decimal inputs as octal if a leading zero digit was present.
ParseUint64 is used in places where String2Big was used to decode a
uint64.
The new functions MustParseBig and MustParseUint64 are now used in many
places where parsing errors were previously ignored.
* common: delete unused big integer variables
* accounts/abi: replace uses of BytesToBig with use of encoding/binary
* common: remove BytesToBig
* common: remove Bytes2Big
* common: remove BigTrue
* cmd/utils: add BigFlag and use it for error-checked integer flags
While here, remove environment variable processing for DirectoryFlag
because we don't use it.
* core: add missing error checks in genesis block parser
* common: remove String2Big
* cmd/evm: use utils.BigFlag
* common/math: check for 256 bit overflow in ParseBig
This is supposed to prevent silent overflow/truncation of values in the
genesis block JSON. Without this check, a genesis block that set a
balance larger than 256 bits would lead to weird behaviour in the VM.
* cmd/utils: fixup import
On solidity contract I have "uint32 []" type, when abigen creates Go
bindings - they are also "[]uint32" type on Go side. Even though it
looks like it should work - the actual type of the data coming from
the chain is of type " []*big.Int".
When executing contract function from Go side - getting unmarshal error:
abi: cannot unmarshal []*big.Int in to []uint32
The fix is to create array with the correct type
This fixed the issue reported in: https://github.com/ethereum/go-ethereum/issues/2802
Previously it was assumed that wheneven type `[]interface{}` was given
that the interface was empty. The abigen rightfully assumed that
interface slices which already have pre-allocated variable sets to be
assigned.
This PR fixes that by checking that the given `[]interface{}` is larger
than zero and assigns each value using the generic `set` function (this
function has also been moved to abi/reflect.go) and checks whether the
assignment was possible.
The generic assignment function `set` now also deals with pointers
(useful for interface slice mentioned above) by dereferencing the
pointer until it finds a setable type.
Refactored the abi package parsing and type handling. Relying mostly on
package reflect as opposed to most of our own type reflection. Our own
type reflection is still used however for cases such as Bytes and
FixedBytes (abi: bytes•).
This also inclused several fixes for slice handling of arbitrary and
fixed size for all supported types.
This also further removes implicit type casting such as assigning,
for example `[2]T{} = []T{1}` will fail, however `[2]T{} == []T{1, 2}`
(notice assigning *slice* to fixed size *array*). Assigning arrays to
slices will always succeed if they are of the same element type.
Incidentally also fixes#2379
Fixed up `[]byte` slice support such that `function print(bytes input)`
accepts `[]byte` as input and treats it as 1 element rather than a slice
of multiple elements.
Added support for variable length input parameters like `bytes` and
`strings`.
Removed old unmarshalling of return types: `abi.Call(...).([]byte)`.
This is now replaced by a new syntax:
```
var a []byte
err := abi.Call(&a, ...)
```
It also addresses a few issues with Bytes and Strings and can also
handle both fixed and arbitrary sized byte slices, including strings.
