WalletUtils.smali

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


# static fields
.field private static final objectMapper:Lcom/fasterxml/jackson/databind/ObjectMapper;


# direct methods
.method static constructor <clinit>()V
    .registers 3

    .prologue
    .line 25
    new-instance v0, Lcom/fasterxml/jackson/databind/ObjectMapper;

    invoke-direct {v0}, Lcom/fasterxml/jackson/databind/ObjectMapper;-><init>()V

    .line 28
    sput-object v0, Lorg/web3j/crypto/WalletUtils;->objectMapper:Lcom/fasterxml/jackson/databind/ObjectMapper;

    sget-object v1, Lcom/fasterxml/jackson/core/JsonParser$Feature;->ALLOW_UNQUOTED_FIELD_NAMES:Lcom/fasterxml/jackson/core/JsonParser$Feature;

    const/4 v2, 0x1

    invoke-virtual {v0, v1, v2}, Lcom/fasterxml/jackson/databind/ObjectMapper;->configure(Lcom/fasterxml/jackson/core/JsonParser$Feature;Z)Lcom/fasterxml/jackson/databind/ObjectMapper;

    .line 29
    sget-object v0, Lorg/web3j/crypto/WalletUtils;->objectMapper:Lcom/fasterxml/jackson/databind/ObjectMapper;

    sget-object v1, Lcom/fasterxml/jackson/databind/DeserializationFeature;->FAIL_ON_UNKNOWN_PROPERTIES:Lcom/fasterxml/jackson/databind/DeserializationFeature;

    const/4 v2, 0x0

    invoke-virtual {v0, v1, v2}, Lcom/fasterxml/jackson/databind/ObjectMapper;->configure(Lcom/fasterxml/jackson/databind/DeserializationFeature;Z)Lcom/fasterxml/jackson/databind/ObjectMapper;

    .line 30
    return-void
.end method

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

    .prologue
    .line 23
    invoke-direct {p0}, Ljava/lang/Object;-><init>()V

    return-void
.end method

.method public static generateFullNewWalletFile(Ljava/lang/String;Ljava/io/File;)Ljava/lang/String;
    .registers 3

    .prologue
    .line 36
    const/4 v0, 0x1

    invoke-static {p0, p1, v0}, Lorg/web3j/crypto/WalletUtils;->generateNewWalletFile(Ljava/lang/String;Ljava/io/File;Z)Ljava/lang/String;

    move-result-object v0

    return-object v0
.end method

.method public static generateLightNewWalletFile(Ljava/lang/String;Ljava/io/File;)Ljava/lang/String;
    .registers 3

    .prologue
    .line 43
    const/4 v0, 0x0

    invoke-static {p0, p1, v0}, Lorg/web3j/crypto/WalletUtils;->generateNewWalletFile(Ljava/lang/String;Ljava/io/File;Z)Ljava/lang/String;

    move-result-object v0

    return-object v0
.end method

.method public static generateNewWalletFile(Ljava/lang/String;Ljava/io/File;Z)Ljava/lang/String;
    .registers 4

    .prologue
    .line 51
    invoke-static {}, Lorg/web3j/crypto/Keys;->createEcKeyPair()Lorg/web3j/crypto/ECKeyPair;

    move-result-object v0

    .line 52
    invoke-static {p0, v0, p1, p2}, Lorg/web3j/crypto/WalletUtils;->generateWalletFile(Ljava/lang/String;Lorg/web3j/crypto/ECKeyPair;Ljava/io/File;Z)Ljava/lang/String;

    move-result-object v0

    return-object v0
.end method

.method public static generateWalletFile(Ljava/lang/String;Lorg/web3j/crypto/ECKeyPair;Ljava/io/File;Z)Ljava/lang/String;
    .registers 8

    .prologue
    .line 60
    if-eqz p3, :cond_15

    .line 61
    invoke-static {p0, p1}, Lorg/web3j/crypto/Wallet;->createStandard(Ljava/lang/String;Lorg/web3j/crypto/ECKeyPair;)Lorg/web3j/crypto/WalletFile;

    move-result-object v0

    .line 66
    :goto_6
    invoke-static {v0}, Lorg/web3j/crypto/WalletUtils;->getWalletFileName(Lorg/web3j/crypto/WalletFile;)Ljava/lang/String;

    move-result-object v1

    .line 67
    new-instance v2, Ljava/io/File;

    invoke-direct {v2, p2, v1}, Ljava/io/File;-><init>(Ljava/io/File;Ljava/lang/String;)V

    .line 69
    sget-object v3, Lorg/web3j/crypto/WalletUtils;->objectMapper:Lcom/fasterxml/jackson/databind/ObjectMapper;

    invoke-virtual {v3, v2, v0}, Lcom/fasterxml/jackson/databind/ObjectMapper;->writeValue(Ljava/io/File;Ljava/lang/Object;)V

    .line 71
    return-object v1

    .line 63
    :cond_15
    invoke-static {p0, p1}, Lorg/web3j/crypto/Wallet;->createLight(Ljava/lang/String;Lorg/web3j/crypto/ECKeyPair;)Lorg/web3j/crypto/WalletFile;

    move-result-object v0

    goto :goto_6
.end method

.method public static getDefaultKeyDirectory()Ljava/lang/String;
    .registers 1

    .prologue
    .line 91
    const-string v0, "os.name"

    invoke-static {v0}, Ljava/lang/System;->getProperty(Ljava/lang/String;)Ljava/lang/String;

    move-result-object v0

    invoke-static {v0}, Lorg/web3j/crypto/WalletUtils;->getDefaultKeyDirectory(Ljava/lang/String;)Ljava/lang/String;

    move-result-object v0

    return-object v0
.end method

.method static getDefaultKeyDirectory(Ljava/lang/String;)Ljava/lang/String;
    .registers 7

    .prologue
    const/4 v5, 0x2

    const/4 v4, 0x1

    const/4 v3, 0x0

    .line 95
    invoke-virtual {p0}, Ljava/lang/String;->toLowerCase()Ljava/lang/String;

    move-result-object v0

    .line 97
    const-string v1, "mac"

    invoke-virtual {v0, v1}, Ljava/lang/String;->startsWith(Ljava/lang/String;)Z

    move-result v1

    if-eqz v1, :cond_29

    .line 98
    const-string v0, "%s%sLibrary%sEthereum"

    const/4 v1, 0x3

    new-array v1, v1, [Ljava/lang/Object;

    const-string v2, "user.home"

    invoke-static {v2}, Ljava/lang/System;->getProperty(Ljava/lang/String;)Ljava/lang/String;

    move-result-object v2

    aput-object v2, v1, v3

    sget-object v2, Ljava/io/File;->separator:Ljava/lang/String;

    aput-object v2, v1, v4

    sget-object v2, Ljava/io/File;->separator:Ljava/lang/String;

    aput-object v2, v1, v5

    invoke-static {v0, v1}, Ljava/lang/String;->format(Ljava/lang/String;[Ljava/lang/Object;)Ljava/lang/String;

    move-result-object v0

    .line 104
    :goto_28
    return-object v0

    .line 101
    :cond_29
    const-string v1, "win"

    invoke-virtual {v0, v1}, Ljava/lang/String;->startsWith(Ljava/lang/String;)Z

    move-result v0

    if-eqz v0, :cond_46

    .line 102
    const-string v0, "%s%sEthereum"

    new-array v1, v5, [Ljava/lang/Object;

    const-string v2, "APPDATA"

    invoke-static {v2}, Ljava/lang/System;->getenv(Ljava/lang/String;)Ljava/lang/String;

    move-result-object v2

    aput-object v2, v1, v3

    sget-object v2, Ljava/io/File;->separator:Ljava/lang/String;

    aput-object v2, v1, v4

    invoke-static {v0, v1}, Ljava/lang/String;->format(Ljava/lang/String;[Ljava/lang/Object;)Ljava/lang/String;

    move-result-object v0

    goto :goto_28

    .line 104
    :cond_46
    const-string v0, "%s%s.ethereum"

    new-array v1, v5, [Ljava/lang/Object;

    const-string v2, "user.home"

    invoke-static {v2}, Ljava/lang/System;->getProperty(Ljava/lang/String;)Ljava/lang/String;

    move-result-object v2

    aput-object v2, v1, v3

    sget-object v2, Ljava/io/File;->separator:Ljava/lang/String;

    aput-object v2, v1, v4

    invoke-static {v0, v1}, Ljava/lang/String;->format(Ljava/lang/String;[Ljava/lang/Object;)Ljava/lang/String;

    move-result-object v0

    goto :goto_28
.end method

.method public static getMainnetKeyDirectory()Ljava/lang/String;
    .registers 4

    .prologue
    .line 114
    const-string v0, "%s%skeystore"

    const/4 v1, 0x2

    new-array v1, v1, [Ljava/lang/Object;

    const/4 v2, 0x0

    invoke-static {}, Lorg/web3j/crypto/WalletUtils;->getDefaultKeyDirectory()Ljava/lang/String;

    move-result-object v3

    aput-object v3, v1, v2

    const/4 v2, 0x1

    sget-object v3, Ljava/io/File;->separator:Ljava/lang/String;

    aput-object v3, v1, v2

    invoke-static {v0, v1}, Ljava/lang/String;->format(Ljava/lang/String;[Ljava/lang/Object;)Ljava/lang/String;

    move-result-object v0

    return-object v0
.end method

.method public static getTestnetKeyDirectory()Ljava/lang/String;
    .registers 4

    .prologue
    .line 109
    const-string v0, "%s%stestnet%skeystore"

    const/4 v1, 0x3

    new-array v1, v1, [Ljava/lang/Object;

    const/4 v2, 0x0

    invoke-static {}, Lorg/web3j/crypto/WalletUtils;->getDefaultKeyDirectory()Ljava/lang/String;

    move-result-object v3

    aput-object v3, v1, v2

    const/4 v2, 0x1

    sget-object v3, Ljava/io/File;->separator:Ljava/lang/String;

    aput-object v3, v1, v2

    const/4 v2, 0x2

    sget-object v3, Ljava/io/File;->separator:Ljava/lang/String;

    aput-object v3, v1, v2

    invoke-static {v0, v1}, Ljava/lang/String;->format(Ljava/lang/String;[Ljava/lang/Object;)Ljava/lang/String;

    move-result-object v0

    return-object v0
.end method

.method private static getWalletFileName(Lorg/web3j/crypto/WalletFile;)Ljava/lang/String;
    .registers 4

    .prologue
    .line 86
    new-instance v0, Ljava/text/SimpleDateFormat;

    const-string v1, "\'UTC--\'yyyy-MM-dd\'T\'HH-mm-ss.SSS\'--\'"

    invoke-direct {v0, v1}, Ljava/text/SimpleDateFormat;-><init>(Ljava/lang/String;)V

    .line 87
    new-instance v1, Ljava/lang/StringBuilder;

    invoke-direct {v1}, Ljava/lang/StringBuilder;-><init>()V

    new-instance v2, Ljava/util/Date;

    invoke-direct {v2}, Ljava/util/Date;-><init>()V

    invoke-virtual {v0, v2}, Ljava/text/SimpleDateFormat;->format(Ljava/util/Date;)Ljava/lang/String;

    move-result-object v0

    invoke-virtual {v1, v0}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v0

    invoke-virtual {p0}, Lorg/web3j/crypto/WalletFile;->getAddress()Ljava/lang/String;

    move-result-object v1

    invoke-virtual {v0, v1}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v0

    const-string v1, ".json"

    invoke-virtual {v0, v1}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v0

    invoke-virtual {v0}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object v0

    return-object v0
.end method

.method public static isValidAddress(Ljava/lang/String;)Z
    .registers 4

    .prologue
    const/4 v0, 0x0

    .line 123
    invoke-static {p0}, Lorg/web3j/utils/Numeric;->cleanHexPrefix(Ljava/lang/String;)Ljava/lang/String;

    move-result-object v1

    .line 126
    :try_start_5
    invoke-static {v1}, Lorg/web3j/utils/Numeric;->toBigIntNoPrefix(Ljava/lang/String;)Ljava/math/BigInteger;
    :try_end_8
    .catch Ljava/lang/NumberFormatException; {:try_start_5 .. :try_end_8} :catch_12

    .line 131
    invoke-virtual {v1}, Ljava/lang/String;->length()I

    move-result v1

    const/16 v2, 0x28

    if-ne v1, v2, :cond_11

    const/4 v0, 0x1

    :cond_11
    :goto_11
    return v0

    .line 128
    :catch_12
    move-exception v1

    goto :goto_11
.end method

.method public static isValidPrivateKey(Ljava/lang/String;)Z
    .registers 3

    .prologue
    .line 118
    invoke-static {p0}, Lorg/web3j/utils/Numeric;->cleanHexPrefix(Ljava/lang/String;)Ljava/lang/String;

    move-result-object v0

    .line 119
    invoke-virtual {v0}, Ljava/lang/String;->length()I

    move-result v0

    const/16 v1, 0x40

    if-ne v0, v1, :cond_e

    const/4 v0, 0x1

    :goto_d
    return v0

    :cond_e
    const/4 v0, 0x0

    goto :goto_d
.end method

.method public static loadCredentials(Ljava/lang/String;Ljava/io/File;)Lorg/web3j/crypto/Credentials;
    .registers 4

    .prologue
    .line 81
    sget-object v0, Lorg/web3j/crypto/WalletUtils;->objectMapper:Lcom/fasterxml/jackson/databind/ObjectMapper;

    const-class v1, Lorg/web3j/crypto/WalletFile;

    invoke-virtual {v0, p1, v1}, Lcom/fasterxml/jackson/databind/ObjectMapper;->readValue(Ljava/io/File;Ljava/lang/Class;)Ljava/lang/Object;

    move-result-object v0

    check-cast v0, Lorg/web3j/crypto/WalletFile;

    .line 82
    invoke-static {p0, v0}, Lorg/web3j/crypto/Wallet;->decrypt(Ljava/lang/String;Lorg/web3j/crypto/WalletFile;)Lorg/web3j/crypto/ECKeyPair;

    move-result-object v0

    invoke-static {v0}, Lorg/web3j/crypto/Credentials;->create(Lorg/web3j/crypto/ECKeyPair;)Lorg/web3j/crypto/Credentials;

    move-result-object v0

    return-object v0
.end method

.method public static loadCredentials(Ljava/lang/String;Ljava/lang/String;)Lorg/web3j/crypto/Credentials;
    .registers 3

    .prologue
    .line 76
    new-instance v0, Ljava/io/File;

    invoke-direct {v0, p1}, Ljava/io/File;-><init>(Ljava/lang/String;)V

    invoke-static {p0, v0}, Lorg/web3j/crypto/WalletUtils;->loadCredentials(Ljava/lang/String;Ljava/io/File;)Lorg/web3j/crypto/Credentials;

    move-result-object v0

    return-object v0
.end method