Exemple #1
0
// Register registers a new content hash in the registry.
func (api *PrivateRegistarAPI) Register(sender common.Address, addr common.Address, contentHashHex string) (bool, error) {
	block := api.be.bc.CurrentBlock()
	state, err := state.New(block.Root(), api.be.chainDb)
	if err != nil {
		return false, err
	}

	codeb := state.GetCode(addr)
	codeHash := common.BytesToHash(crypto.Sha3(codeb))
	contentHash := common.HexToHash(contentHashHex)

	_, err = registrar.New(api.be).SetHashToHash(sender, codeHash, contentHash)
	return err == nil, err
}
Exemple #2
0
// GetData returns the data stored at the given address in the state for the given block number.
func (s *PublicBlockChainAPI) GetData(address common.Address, blockNr rpc.BlockNumber) (string, error) {
	if block := blockByNumber(s.miner, s.bc, blockNr); block != nil {
		state, err := state.New(block.Root(), s.chainDb)
		if err != nil {
			return "", err
		}
		res := state.GetCode(address)
		if len(res) == 0 { // backwards compatibility
			return "0x", nil
		}
		return common.ToHex(res), nil
	}

	return "0x", nil
}