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internal/ethapi: default to zero address for calls (#20702)

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This makes eth_call and eth_estimateGas use the zero address
as sender when the "from" parameter is not supplied.

Co-authored-by: Felix Lange <fjl@twurst.com>
This commit is contained in:
Martin Holst Swende 2020-02-25 17:57:06 +01:00 committed by Igor Mandrigin
parent 92f415e6aa
commit ef75aff5c6
1 changed files with 6 additions and 18 deletions
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24
internal/ethapi/api.go
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@ -766,17 +766,13 @@ func DoCall(ctx context.Context, b Backend, args CallArgs, blockNrOrHash rpc.Blo
if state == nil || err != nil {
return nil, 0, false, err
}
// Set sender address or use a default if none specified
// Set sender address or use zero address if none specified.
var addr common.Address
if args.From == nil {
if wallets := b.AccountManager().Wallets(); len(wallets) > 0 {
if accounts := wallets[0].Accounts(); len(accounts) > 0 {
addr = accounts[0].Address
}
}
} else {
if args.From != nil {
addr = *args.From
}
// Override the fields of specified contracts before execution.
for addr, account := range overrides {
// Override account nonce.
@ -908,17 +904,9 @@ func DoEstimateGas(ctx context.Context, b Backend, args CallArgs, blockNrOrHash
}
cap = hi
// Set sender address or use a default if none specified
// Use zero address if sender unspecified.
if args.From == nil {
if wallets := b.AccountManager().Wallets(); len(wallets) > 0 {
if accounts := wallets[0].Accounts(); len(accounts) > 0 {
args.From = &accounts[0].Address
}
}
}
// Use zero-address if none other is available
if args.From == nil {
args.From = &common.Address{}
args.From = new(common.Address)
}
// Create a helper to check if a gas allowance results in an executable transaction
executable := func(gas uint64) bool {