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AND-4536 Added decimal chain support
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91 changes: 91 additions & 0 deletions
91
blockchain/src/main/java/com/tangem/blockchain/blockchains/decimal/DecimalAddressService.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,91 @@ | ||
| package com.tangem.blockchain.blockchains.decimal | ||
|
|
||
| import com.tangem.blockchain.blockchains.binance.client.encoding.Crypto | ||
| import com.tangem.blockchain.common.address.AddressService | ||
| import com.tangem.blockchain.common.address.AddressType | ||
| import com.tangem.common.card.EllipticCurve | ||
| import com.tangem.common.extensions.hexToBytes | ||
| import com.tangem.common.extensions.toDecompressedPublicKey | ||
| import org.bitcoinj.core.Bech32 | ||
| import org.kethereum.crypto.toAddress | ||
| import org.kethereum.erc55.hasValidERC55ChecksumOrNoChecksum | ||
| import org.kethereum.erc55.withERC55Checksum | ||
| import org.kethereum.model.Address | ||
| import org.kethereum.model.PublicKey | ||
| import org.komputing.khex.extensions.toHexString | ||
| import com.tangem.blockchain.common.address.Address as SdkAddress | ||
|
|
||
| internal class DecimalAddressService : AddressService() { | ||
|
|
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| override fun makeAddress(walletPublicKey: ByteArray, curve: EllipticCurve?): String { | ||
| return makeErcAddress(walletPublicKey) | ||
| } | ||
|
|
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| override fun makeAddresses( | ||
| walletPublicKey: ByteArray, | ||
| curve: EllipticCurve?, | ||
| ): Set<SdkAddress> { | ||
| val ercAddress = makeErcAddress(walletPublicKey) | ||
|
|
||
| return setOf( | ||
| SdkAddress(ercAddress), | ||
| SdkAddress( | ||
| convertErcAddressToDscAddress(ercAddress), | ||
| AddressType.Legacy, | ||
| ) | ||
| ) | ||
| } | ||
|
|
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| private fun makeErcAddress(walletPublicKey: ByteArray): String { | ||
| val decompressedPublicKey = walletPublicKey | ||
| .toDecompressedPublicKey() | ||
| .sliceArray(1..64) | ||
|
|
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| return PublicKey(decompressedPublicKey) | ||
| .toAddress() | ||
| .withERC55Checksum() | ||
| .hex | ||
| } | ||
|
|
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| override fun validate(address: String): Boolean { | ||
| val addressToValidate = when { | ||
| address.startsWith(ADDRESS_PREFIX) || address.startsWith(LEGACY_ADDRESS_PREFIX) -> { | ||
| convertDscAddressToErcAddress(address) ?: return false | ||
| } | ||
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| else -> address | ||
| } | ||
|
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| return Address(addressToValidate).hasValidERC55ChecksumOrNoChecksum() | ||
| } | ||
|
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| companion object { | ||
| private const val ADDRESS_PREFIX = "d0" | ||
| private const val LEGACY_ADDRESS_PREFIX = "dx" | ||
| private const val ERC55_ADDRESS_PREFIX = "0x" | ||
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| fun convertDscAddressToErcAddress(addressHex: String): String? { | ||
| if (addressHex.startsWith(ERC55_ADDRESS_PREFIX)) { | ||
| return addressHex | ||
| } | ||
|
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| val (prefix, addressBytes) = Bech32.decode(addressHex).let { it.hrp to it.data } | ||
| if (prefix == null || addressBytes == null) return null | ||
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| val convertedAddressBytes = Crypto.convertBits(addressBytes, 0, addressBytes.size, 5, 8, false) | ||
|
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| return convertedAddressBytes.toHexString() | ||
| } | ||
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| fun convertErcAddressToDscAddress(addressHex: String): String { | ||
| if (addressHex.startsWith(ADDRESS_PREFIX) || addressHex.startsWith(LEGACY_ADDRESS_PREFIX)) { | ||
| return addressHex | ||
| } | ||
|
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| val addressBytes = addressHex.hexToBytes() | ||
| val converted = Crypto.convertBits(addressBytes, 0, addressBytes.size, 8, 5, false) | ||
|
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| return Bech32.encode(ADDRESS_PREFIX, converted) | ||
| } | ||
| } | ||
| } |
60 changes: 60 additions & 0 deletions
60
blockchain/src/main/java/com/tangem/blockchain/blockchains/decimal/DecimalWalletManager.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,60 @@ | ||
| package com.tangem.blockchain.blockchains.decimal | ||
|
|
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| import com.tangem.blockchain.blockchains.ethereum.CompiledEthereumTransaction | ||
| import com.tangem.blockchain.blockchains.ethereum.EthereumTransactionBuilder | ||
| import com.tangem.blockchain.blockchains.ethereum.EthereumWalletManager | ||
| import com.tangem.blockchain.blockchains.ethereum.network.EthereumNetworkProvider | ||
| import com.tangem.blockchain.common.Amount | ||
| import com.tangem.blockchain.common.TransactionData | ||
| import com.tangem.blockchain.common.TransactionSigner | ||
| import com.tangem.blockchain.common.Wallet | ||
| import com.tangem.blockchain.common.transaction.TransactionFee | ||
| import com.tangem.blockchain.extensions.Result | ||
| import com.tangem.blockchain.extensions.SimpleResult | ||
| import java.math.BigInteger | ||
|
|
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| internal class DecimalWalletManager( | ||
| wallet: Wallet, | ||
| transactionBuilder: EthereumTransactionBuilder, | ||
| networkProvider: EthereumNetworkProvider, | ||
| ) : EthereumWalletManager(wallet, transactionBuilder, networkProvider) { | ||
|
|
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| override suspend fun getFee(amount: Amount, destination: String): Result<TransactionFee> { | ||
| return super.getFee(amount, convertAddress(destination)) | ||
| } | ||
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| override suspend fun getFee(amount: Amount, destination: String, data: String): Result<TransactionFee> { | ||
| return super.getFee(amount, convertAddress(destination), data) | ||
| } | ||
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| override suspend fun getFeeInternal(amount: Amount, destination: String, data: String?): Result<TransactionFee> { | ||
| return super.getFeeInternal(amount, convertAddress(destination), data) | ||
| } | ||
|
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| override suspend fun getGasLimit(amount: Amount, destination: String): Result<BigInteger> { | ||
| return super.getGasLimit(amount, convertAddress(destination)) | ||
| } | ||
|
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| override suspend fun getGasLimit(amount: Amount, destination: String, data: String): Result<BigInteger> { | ||
| return super.getGasLimit(amount, convertAddress(destination), data) | ||
| } | ||
|
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| override suspend fun send(transactionData: TransactionData, signer: TransactionSigner): SimpleResult { | ||
| return super.send(convertTransactionDataAddress(transactionData), signer) | ||
| } | ||
|
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| override suspend fun sign( | ||
| transactionData: TransactionData, | ||
| signer: TransactionSigner, | ||
| ): Result<Pair<ByteArray, CompiledEthereumTransaction>> { | ||
| return super.sign(convertTransactionDataAddress(transactionData), signer) | ||
| } | ||
|
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| private fun convertTransactionDataAddress(transactionData: TransactionData) = transactionData.copy( | ||
| destinationAddress = convertAddress(transactionData.destinationAddress), | ||
| ) | ||
|
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| private fun convertAddress(destinationAddress: String): String { | ||
| return DecimalAddressService.convertDscAddressToErcAddress(destinationAddress) ?: destinationAddress | ||
| } | ||
| } |
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26 changes: 26 additions & 0 deletions
26
.../src/main/java/com/tangem/blockchain/common/assembly/impl/DecimalWalletManagerAssembly.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,26 @@ | ||
| package com.tangem.blockchain.common.assembly.impl | ||
|
|
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| import com.tangem.blockchain.blockchains.decimal.DecimalWalletManager | ||
| import com.tangem.blockchain.blockchains.ethereum.EthereumTransactionBuilder | ||
| import com.tangem.blockchain.blockchains.ethereum.getEthereumJsonRpcProviders | ||
| import com.tangem.blockchain.blockchains.ethereum.network.EthereumNetworkService | ||
| import com.tangem.blockchain.common.assembly.WalletManagerAssembly | ||
| import com.tangem.blockchain.common.assembly.WalletManagerAssemblyInput | ||
|
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| internal object DecimalWalletManagerAssembly : WalletManagerAssembly<DecimalWalletManager>() { | ||
|
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| override fun make(input: WalletManagerAssemblyInput): DecimalWalletManager { | ||
| return with(input.wallet) { | ||
| DecimalWalletManager( | ||
| wallet = this, | ||
| transactionBuilder = EthereumTransactionBuilder( | ||
| walletPublicKey = publicKey.blockchainKey, | ||
| blockchain = blockchain | ||
| ), | ||
| networkProvider = EthereumNetworkService( | ||
| jsonRpcProviders = blockchain.getEthereumJsonRpcProviders(input.config), | ||
| ) | ||
| ) | ||
| } | ||
| } | ||
| } |
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