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

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>
pull/20723/head
Martin Holst Swende 5 years ago committed by GitHub
parent 2a5ed1a1d3
commit fadf84a752
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
  1. 24
      internal/ethapi/api.go

@ -764,17 +764,13 @@ 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.
@ -906,17 +902,9 @@ func DoEstimateGas(ctx context.Context, b Backend, args CallArgs, blockNrOrHash
}
cap = hi
// Set sender address or use a default if none specified
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
// Use zero address if sender unspecified.
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 {

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