ContractUtils.smali

.class public Lorg/web3j/crypto/ContractUtils;
.super Ljava/lang/Object;
.source "ContractUtils.java"


# direct methods
.method public constructor <init>()V
    .registers 1

    .prologue
    .line 17
    invoke-direct {p0}, Ljava/lang/Object;-><init>()V

    return-void
.end method

.method public static generateContractAddress(Ljava/lang/String;Ljava/math/BigInteger;)Ljava/lang/String;
    .registers 3

    .prologue
    .line 40
    invoke-static {p0}, Lorg/web3j/utils/Numeric;->hexStringToByteArray(Ljava/lang/String;)[B

    move-result-object v0

    invoke-static {v0, p1}, Lorg/web3j/crypto/ContractUtils;->generateContractAddress([BLjava/math/BigInteger;)[B

    move-result-object v0

    .line 41
    invoke-static {v0}, Lorg/web3j/utils/Numeric;->toHexString([B)Ljava/lang/String;

    move-result-object v0

    return-object v0
.end method

.method public static generateContractAddress([BLjava/math/BigInteger;)[B
    .registers 5

    .prologue
    .line 28
    new-instance v0, Ljava/util/ArrayList;

    invoke-direct {v0}, Ljava/util/ArrayList;-><init>()V

    .line 30
    invoke-static {p0}, Lorg/web3j/rlp/RlpString;->create([B)Lorg/web3j/rlp/RlpString;

    move-result-object v1

    invoke-interface {v0, v1}, Ljava/util/List;->add(Ljava/lang/Object;)Z

    .line 31
    invoke-static {p1}, Lorg/web3j/rlp/RlpString;->create(Ljava/math/BigInteger;)Lorg/web3j/rlp/RlpString;

    move-result-object v1

    invoke-interface {v0, v1}, Ljava/util/List;->add(Ljava/lang/Object;)Z

    .line 32
    new-instance v1, Lorg/web3j/rlp/RlpList;

    invoke-direct {v1, v0}, Lorg/web3j/rlp/RlpList;-><init>(Ljava/util/List;)V

    .line 34
    invoke-static {v1}, Lorg/web3j/rlp/RlpEncoder;->encode(Lorg/web3j/rlp/RlpType;)[B

    move-result-object v0

    .line 35
    invoke-static {v0}, Lorg/web3j/crypto/Hash;->sha3([B)[B

    move-result-object v0

    .line 36
    const/16 v1, 0xc

    array-length v2, v0

    invoke-static {v0, v1, v2}, Ljava/util/Arrays;->copyOfRange([BII)[B

    move-result-object v0

    return-object v0
.end method