Examples with Blake2bHashContract org.aion.precompiled.contracts.Blake2bHashContract used on opensource projects

Example 1 with Blake2bHashContract

use of org.aion.precompiled.contracts.Blake2bHashContract in project aion by aionnetwork.

the class ContractFactory method getPrecompiledContract.

/**
 * Returns a new pre-compiled contract such that the address of the new contract is address.
 * Returns null if address does not map to any known contracts.
 *
 * @param context Passed in execution context.
 * @param externalState The current state of the world.
 * @return the specified pre-compiled address.
 */
public PrecompiledContract getPrecompiledContract(PrecompiledTransactionContext context, IExternalStateForPrecompiled externalState) {
    boolean fork_032 = externalState.isFork032Enabled();
    // TODO: need to provide a real solution for the repository here ....
    AionAddress destination = context.destinationAddress;
    if (destination.equals(ContractInfo.TOKEN_BRIDGE.contractAddress)) {
        TokenBridgeContract contract = new TokenBridgeContract(context, externalState, ContractInfo.TOKEN_BRIDGE.ownerAddress, ContractInfo.TOKEN_BRIDGE.contractAddress);
        if (!context.originAddress.equals(ContractInfo.TOKEN_BRIDGE.ownerAddress) && !contract.isInitialized()) {
            return null;
        }
        return contract;
    } else if (destination.equals(ContractInfo.ED_VERIFY.contractAddress)) {
        return fork_032 ? new EDVerifyContract() : null;
    } else if (destination.equals(ContractInfo.BLAKE_2B.contractAddress)) {
        return fork_032 ? new Blake2bHashContract() : null;
    } else if (destination.equals(ContractInfo.TRANSACTION_HASH.contractAddress)) {
        return fork_032 ? new TXHashContract(context) : null;
    } else if (destination.equals(ContractInfo.TOTAL_CURRENCY.contractAddress)) {
        return fork_032 ? null : new TotalCurrencyContract(externalState, context.senderAddress, ContractInfo.TOTAL_CURRENCY.ownerAddress);
    } else {
        return null;
    }
}