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eth/tracer: extend create2 (#18318)

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* eth/tracer: extend create2

* eth/tracers: fix create2-flaw in prestate_tracer

* eth/tracers: fix test

* eth/tracers: update assets
This commit is contained in:
gary rong
2019-01-06 04:26:50 +08:00
committed by Martin Holst Swende
parent c1c4301121
commit e8ff318205
6 changed files with 122 additions and 10 deletions
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22
eth/tracers/tracer.go
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@ -367,6 +367,28 @@ func New(code string) (*Tracer, error) {
copy(makeSlice(ctx.PushFixedBuffer(20), 20), contract[:])
return 1
})
tracer.vm.PushGlobalGoFunction("toContract2", func(ctx *duktape.Context) int {
var from common.Address
if ptr, size := ctx.GetBuffer(-3); ptr != nil {
from = common.BytesToAddress(makeSlice(ptr, size))
} else {
from = common.HexToAddress(ctx.GetString(-3))
}
// Retrieve salt hex string from js stack
salt := common.HexToHash(ctx.GetString(-2))
// Retrieve code slice from js stack
var code []byte
if ptr, size := ctx.GetBuffer(-1); ptr != nil {
code = common.CopyBytes(makeSlice(ptr, size))
} else {
code = common.FromHex(ctx.GetString(-1))
}
codeHash := crypto.Keccak256(code)
ctx.Pop3()
contract := crypto.CreateAddress2(from, salt, codeHash)
copy(makeSlice(ctx.PushFixedBuffer(20), 20), contract[:])
return 1
})
tracer.vm.PushGlobalGoFunction("isPrecompiled", func(ctx *duktape.Context) int {
_, ok := vm.PrecompiledContractsByzantium[common.BytesToAddress(popSlice(ctx))]
ctx.PushBoolean(ok)