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accounts/abi/bind: allow specifying signer on transactOpts (#21356)

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This commit enables users to specify which signer they want to use while creating their transactOpts.
Previously all contract interactions used the homestead signer. Now a user can specify whether they
want to sign with homestead or EIP155 and specify the chainID which adds another layer of security.

Closes #16484
This commit is contained in:
Marius van der Wijden
2020-12-08 14:44:56 +01:00
committed by GitHub
parent 6a4e730003
commit ed0670cb17
9 changed files with 127 additions and 40 deletions
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4
accounts/abi/bind/base.go
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@ -32,7 +32,7 @@ import (
// SignerFn is a signer function callback when a contract requires a method to
// sign the transaction before submission.
type SignerFn func(types.Signer, common.Address, *types.Transaction) (*types.Transaction, error)
type SignerFn func(common.Address, *types.Transaction) (*types.Transaction, error)
// CallOpts is the collection of options to fine tune a contract call request.
type CallOpts struct {
@ -256,7 +256,7 @@ func (c *BoundContract) transact(opts *TransactOpts, contract *common.Address, i
if opts.Signer == nil {
return nil, errors.New("no signer to authorize the transaction with")
}
signedTx, err := opts.Signer(types.HomesteadSigner{}, opts.From, rawTx)
signedTx, err := opts.Signer(opts.From, rawTx)
if err != nil {
return nil, err
}