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core/vm: use uint256 in EVM implementation (#20787)

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* core/vm: use fixed uint256 library instead of big

* core/vm: remove intpools

* core/vm: upgrade uint256, fixes uint256.NewFromBig

* core/vm: use uint256.Int by value in Stack

* core/vm: upgrade uint256 to v1.0.0

* core/vm: don't preallocate space for 1024 stack items (only 16)

Co-authored-by: Martin Holst Swende <martin@swende.se>
This commit is contained in:
Paweł Bylica
2020-06-08 14:24:40 +02:00
committed by GitHub
parent 39abd92ca8
commit cf6674539c
21 changed files with 359 additions and 704 deletions
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6
core/vm/logger.go
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@ -159,8 +159,8 @@ func (l *StructLogger) CaptureState(env *EVM, pc uint64, op OpCode, gas, cost ui
// it in the local storage container.
if op == SSTORE && stack.len() >= 2 {
var (
value = common.BigToHash(stack.data[stack.len()-2])
address = common.BigToHash(stack.data[stack.len()-1])
value = common.Hash(stack.data[stack.len()-2].Bytes32())
address = common.Hash(stack.data[stack.len()-1].Bytes32())
)
l.changedValues[contract.Address()][address] = value
}
@ -175,7 +175,7 @@ func (l *StructLogger) CaptureState(env *EVM, pc uint64, op OpCode, gas, cost ui
if !l.cfg.DisableStack {
stck = make([]*big.Int, len(stack.Data()))
for i, item := range stack.Data() {
stck[i] = new(big.Int).Set(item)
stck[i] = new(big.Int).Set(item.ToBig())
}
}
// Copy a snapshot of the current storage to a new container