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Add light sync command

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- Only syncs block headers (excludes block bodies, transactions, receipts, and logs)
- Modifies validation window to include the most recent block
- Isolates validation window to the variable defined in the cmd directory (blocks
  have a separate variable defined in the block_repository for determining when
  to set a block as final)
This commit is contained in:
Rob Mulholand
2018-07-18 16:34:12 -05:00
parent a620fc6a51
commit 1355271011
43 changed files with 1092 additions and 272 deletions
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pkg/geth/contract.go
+4 -4
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@@ -14,7 +14,7 @@ var (
ErrInvalidStateAttribute = errors.New("invalid state attribute")
)
func (blockchain *Blockchain) FetchContractData(abiJSON string, address string, method string, methodArg interface{}, result interface{}, blockNumber int64) error {
func (blockChain *BlockChain) FetchContractData(abiJSON string, address string, method string, methodArg interface{}, result interface{}, blockNumber int64) error {
parsed, err := ParseAbi(abiJSON)
if err != nil {
return err
@@ -28,15 +28,15 @@ func (blockchain *Blockchain) FetchContractData(abiJSON string, address string,
if err != nil {
return err
}
output, err := blockchain.callContract(address, input, big.NewInt(blockNumber))
output, err := blockChain.callContract(address, input, big.NewInt(blockNumber))
if err != nil {
return err
}
return parsed.Unpack(result, method, output)
}
func (blockchain *Blockchain) callContract(contractHash string, input []byte, blockNumber *big.Int) ([]byte, error) {
func (blockChain *BlockChain) callContract(contractHash string, input []byte, blockNumber *big.Int) ([]byte, error) {
to := common.HexToAddress(contractHash)
msg := ethereum.CallMsg{To: &to, Data: input}
return blockchain.client.CallContract(context.Background(), msg, blockNumber)
return blockChain.client.CallContract(context.Background(), msg, blockNumber)
}