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accounts, internal: fix funding check when estimating gas (#21346)

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* internal, accounts: fix funding check when estimate gas

* accounts, internal: address comments
This commit is contained in:
gary rong 2020-07-20 20:52:42 +08:00 committed by GitHub
parent 35ddf36229
commit 43e2e58cbd
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 6 additions and 4 deletions
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4
accounts/abi/bind/backends/simulated.go
View File

@ -448,7 +448,7 @@ func (b *SimulatedBackend) EstimateGas(ctx context.Context, call ethereum.CallMs
hi = b.pendingBlock.GasLimit()
}
// Recap the highest gas allowance with account's balance.
if call.GasPrice != nil && call.GasPrice.Uint64() != 0 {
if call.GasPrice != nil && call.GasPrice.BitLen() != 0 {
balance := b.pendingState.GetBalance(call.From) // from can't be nil
available := new(big.Int).Set(balance)
if call.Value != nil {
@ -458,7 +458,7 @@ func (b *SimulatedBackend) EstimateGas(ctx context.Context, call ethereum.CallMs
available.Sub(available, call.Value)
}
allowance := new(big.Int).Div(available, call.GasPrice)
if hi > allowance.Uint64() {
if allowance.IsUint64() && hi > allowance.Uint64() {
transfer := call.Value
if transfer == nil {
transfer = new(big.Int)

6
internal/ethapi/api.go
View File

@ -966,7 +966,7 @@ func DoEstimateGas(ctx context.Context, b Backend, args CallArgs, blockNrOrHash
hi = block.GasLimit()
}
// Recap the highest gas limit with account's available balance.
if args.GasPrice != nil && args.GasPrice.ToInt().Uint64() != 0 {
if args.GasPrice != nil && args.GasPrice.ToInt().BitLen() != 0 {
state, _, err := b.StateAndHeaderByNumberOrHash(ctx, blockNrOrHash)
if err != nil {
return 0, err
@ -980,7 +980,9 @@ func DoEstimateGas(ctx context.Context, b Backend, args CallArgs, blockNrOrHash
available.Sub(available, args.Value.ToInt())
}
allowance := new(big.Int).Div(available, args.GasPrice.ToInt())
if hi > allowance.Uint64() {
// If the allowance is larger than maximum uint64, skip checking
if allowance.IsUint64() && hi > allowance.Uint64() {
transfer := args.Value
if transfer == nil {
transfer = new(hexutil.Big)