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create blocksigner.sol #19

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Merged
merged 1 commit into from
Jan 27, 2019
Merged

create blocksigner.sol #19

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41 changes: 41 additions & 0 deletions contracts/blocksigner/blocksigner.sol
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Original file line number Diff line number Diff line change
@@ -0,0 +1,41 @@
package blocksigner

import (
"github.com/ethereum/go-ethereum/accounts/abi/bind"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/contracts/blocksigner/contract"
)

type BlockSigner struct {
*contract.BlockSignerSession
contractBackend bind.ContractBackend
}

func NewBlockSigner(transactOpts *bind.TransactOpts, contractAddr common.Address, contractBackend bind.ContractBackend) (*BlockSigner, error) {
blockSigner, err := contract.NewBlockSigner(contractAddr, contractBackend)
if err != nil {
return nil, err
}

return &BlockSigner{
&contract.BlockSignerSession{
Contract: blockSigner,
TransactOpts: *transactOpts,
},
contractBackend,
}, nil
}

func DeployBlockSigner(transactOpts *bind.TransactOpts, contractBackend bind.ContractBackend) (common.Address, *BlockSigner, error) {
blockSignerAddr, _, _, err := contract.DeployBlockSigner(transactOpts, contractBackend)
if err != nil {
return blockSignerAddr, nil, err
}

blockSigner, err := NewBlockSigner(transactOpts, blockSignerAddr, contractBackend)
if err != nil {
return blockSignerAddr, nil, err
}

return blockSignerAddr, blockSigner, nil
}