Numeric.smali

.class public final Lorg/web3j/utils/Numeric;
.super Ljava/lang/Object;
.source "Numeric.java"


# static fields
.field private static final HEX_PREFIX:Ljava/lang/String; = "0x"


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

    .prologue
    .line 19
    invoke-direct {p0}, Ljava/lang/Object;-><init>()V

    .line 20
    return-void
.end method

.method public static asByte(II)B
    .registers 3

    .prologue
    .line 209
    shl-int/lit8 v0, p0, 0x4

    or-int/2addr v0, p1

    int-to-byte v0, v0

    return v0
.end method

.method public static cleanHexPrefix(Ljava/lang/String;)Ljava/lang/String;
    .registers 2

    .prologue
    .line 64
    invoke-static {p0}, Lorg/web3j/utils/Numeric;->containsHexPrefix(Ljava/lang/String;)Z

    move-result v0

    if-eqz v0, :cond_b

    .line 65
    const/4 v0, 0x2

    invoke-virtual {p0, v0}, Ljava/lang/String;->substring(I)Ljava/lang/String;

    move-result-object p0

    .line 67
    :cond_b
    return-object p0
.end method

.method public static containsHexPrefix(Ljava/lang/String;)Z
    .registers 5

    .prologue
    const/4 v1, 0x0

    const/4 v0, 0x1

    .line 80
    invoke-virtual {p0}, Ljava/lang/String;->length()I

    move-result v2

    if-le v2, v0, :cond_19

    invoke-virtual {p0, v1}, Ljava/lang/String;->charAt(I)C

    move-result v2

    const/16 v3, 0x30

    if-ne v2, v3, :cond_19

    invoke-virtual {p0, v0}, Ljava/lang/String;->charAt(I)C

    move-result v2

    const/16 v3, 0x78

    if-ne v2, v3, :cond_19

    :goto_18
    return v0

    :cond_19
    move v0, v1

    goto :goto_18
.end method

.method public static decodeQuantity(Ljava/lang/String;)Ljava/math/BigInteger;
    .registers 4

    .prologue
    .line 31
    invoke-static {p0}, Lorg/web3j/utils/Numeric;->isValidHexQuantity(Ljava/lang/String;)Z

    move-result v0

    if-nez v0, :cond_e

    .line 32
    new-instance v0, Lorg/web3j/exceptions/MessageDecodingException;

    const-string v1, "Value must be in format 0x[1-9]+[0-9]* or 0x0"

    invoke-direct {v0, v1}, Lorg/web3j/exceptions/MessageDecodingException;-><init>(Ljava/lang/String;)V

    throw v0

    .line 35
    :cond_e
    :try_start_e
    new-instance v0, Ljava/math/BigInteger;

    const/4 v1, 0x2

    invoke-virtual {p0, v1}, Ljava/lang/String;->substring(I)Ljava/lang/String;

    move-result-object v1

    const/16 v2, 0x10

    invoke-direct {v0, v1, v2}, Ljava/math/BigInteger;-><init>(Ljava/lang/String;I)V
    :try_end_1a
    .catch Ljava/lang/NumberFormatException; {:try_start_e .. :try_end_1a} :catch_1b

    return-object v0

    .line 36
    :catch_1b
    move-exception v0

    .line 37
    new-instance v1, Lorg/web3j/exceptions/MessageDecodingException;

    const-string v2, "Negative "

    invoke-direct {v1, v2, v0}, Lorg/web3j/exceptions/MessageDecodingException;-><init>(Ljava/lang/String;Ljava/lang/Throwable;)V

    throw v1
.end method

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

    .prologue
    .line 23
    invoke-virtual {p0}, Ljava/math/BigInteger;->signum()I

    move-result v0

    const/4 v1, -0x1

    if-eq v0, v1, :cond_1d

    .line 24
    new-instance v0, Ljava/lang/StringBuilder;

    const-string v1, "0x"

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

    const/16 v1, 0x10

    invoke-virtual {p0, v1}, Ljava/math/BigInteger;->toString(I)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

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

    move-result-object v0

    return-object v0

    .line 26
    :cond_1d
    new-instance v0, Lorg/web3j/exceptions/MessageEncodingException;

    const-string v1, "Negative values are not supported"

    invoke-direct {v0, v1}, Lorg/web3j/exceptions/MessageEncodingException;-><init>(Ljava/lang/String;)V

    throw v0
.end method

.method public static hexStringToByteArray(Ljava/lang/String;)[B
    .registers 10

    .prologue
    const/16 v7, 0x10

    const/4 v0, 0x0

    .line 166
    invoke-static {p0}, Lorg/web3j/utils/Numeric;->cleanHexPrefix(Ljava/lang/String;)Ljava/lang/String;

    move-result-object v2

    .line 168
    invoke-virtual {v2}, Ljava/lang/String;->length()I

    move-result v3

    .line 170
    if-nez v3, :cond_10

    .line 171
    new-array v0, v0, [B

    .line 189
    :cond_f
    return-object v0

    .line 176
    :cond_10
    rem-int/lit8 v1, v3, 0x2

    if-eqz v1, :cond_4a

    .line 177
    div-int/lit8 v1, v3, 0x2

    add-int/lit8 v1, v1, 0x1

    new-array v1, v1, [B

    .line 178
    invoke-virtual {v2, v0}, Ljava/lang/String;->charAt(I)C

    move-result v4

    invoke-static {v4, v7}, Ljava/lang/Character;->digit(CI)I

    move-result v4

    int-to-byte v4, v4

    aput-byte v4, v1, v0

    .line 179
    const/4 v0, 0x1

    move v8, v0

    move-object v0, v1

    move v1, v8

    .line 185
    :goto_29
    if-ge v1, v3, :cond_f

    .line 186
    add-int/lit8 v4, v1, 0x1

    div-int/lit8 v4, v4, 0x2

    invoke-virtual {v2, v1}, Ljava/lang/String;->charAt(I)C

    move-result v5

    invoke-static {v5, v7}, Ljava/lang/Character;->digit(CI)I

    move-result v5

    shl-int/lit8 v5, v5, 0x4

    add-int/lit8 v6, v1, 0x1

    invoke-virtual {v2, v6}, Ljava/lang/String;->charAt(I)C

    move-result v6

    invoke-static {v6, v7}, Ljava/lang/Character;->digit(CI)I

    move-result v6

    add-int/2addr v5, v6

    int-to-byte v5, v5

    aput-byte v5, v0, v4

    .line 185
    add-int/lit8 v1, v1, 0x2

    goto :goto_29

    .line 181
    :cond_4a
    div-int/lit8 v1, v3, 0x2

    new-array v1, v1, [B

    move v8, v0

    move-object v0, v1

    move v1, v8

    .line 182
    goto :goto_29
.end method

.method public static isIntegerValue(Ljava/math/BigDecimal;)Z
    .registers 2

    .prologue
    .line 213
    invoke-virtual {p0}, Ljava/math/BigDecimal;->signum()I

    move-result v0

    if-eqz v0, :cond_16

    invoke-virtual {p0}, Ljava/math/BigDecimal;->scale()I

    move-result v0

    if-lez v0, :cond_16

    invoke-virtual {p0}, Ljava/math/BigDecimal;->stripTrailingZeros()Ljava/math/BigDecimal;

    move-result-object v0

    invoke-virtual {v0}, Ljava/math/BigDecimal;->scale()I

    move-result v0

    if-gtz v0, :cond_18

    :cond_16
    const/4 v0, 0x1

    :goto_17
    return v0

    :cond_18
    const/4 v0, 0x0

    goto :goto_17
.end method

.method private static isValidHexQuantity(Ljava/lang/String;)Z
    .registers 4

    .prologue
    const/4 v0, 0x0

    .line 42
    if-nez p0, :cond_4

    .line 60
    :cond_3
    :goto_3
    return v0

    .line 46
    :cond_4
    invoke-virtual {p0}, Ljava/lang/String;->length()I

    move-result v1

    const/4 v2, 0x3

    if-lt v1, v2, :cond_3

    .line 50
    const-string v1, "0x"

    invoke-virtual {p0, v1}, Ljava/lang/String;->startsWith(Ljava/lang/String;)Z

    move-result v1

    if-eqz v1, :cond_3

    .line 60
    const/4 v0, 0x1

    goto :goto_3
.end method

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

    .prologue
    .line 72
    invoke-static {p0}, Lorg/web3j/utils/Numeric;->containsHexPrefix(Ljava/lang/String;)Z

    move-result v0

    if-nez v0, :cond_15

    .line 73
    new-instance v0, Ljava/lang/StringBuilder;

    const-string v1, "0x"

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

    invoke-virtual {v0, p0}, 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 p0

    .line 75
    :cond_15
    return-object p0
.end method

.method public static toBigInt(Ljava/lang/String;)Ljava/math/BigInteger;
    .registers 2

    .prologue
    .line 92
    invoke-static {p0}, Lorg/web3j/utils/Numeric;->cleanHexPrefix(Ljava/lang/String;)Ljava/lang/String;

    move-result-object v0

    .line 93
    invoke-static {v0}, Lorg/web3j/utils/Numeric;->toBigIntNoPrefix(Ljava/lang/String;)Ljava/math/BigInteger;

    move-result-object v0

    return-object v0
.end method

.method public static toBigInt([B)Ljava/math/BigInteger;
    .registers 3

    .prologue
    .line 88
    new-instance v0, Ljava/math/BigInteger;

    const/4 v1, 0x1

    invoke-direct {v0, v1, p0}, Ljava/math/BigInteger;-><init>(I[B)V

    return-object v0
.end method

.method public static toBigInt([BII)Ljava/math/BigInteger;
    .registers 4

    .prologue
    .line 84
    add-int v0, p1, p2

    invoke-static {p0, p1, v0}, Ljava/util/Arrays;->copyOfRange([BII)[B

    move-result-object v0

    invoke-static {v0}, Lorg/web3j/utils/Numeric;->toBigInt([B)Ljava/math/BigInteger;

    move-result-object v0

    return-object v0
.end method

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

    .prologue
    .line 97
    new-instance v0, Ljava/math/BigInteger;

    const/16 v1, 0x10

    invoke-direct {v0, p0, v1}, Ljava/math/BigInteger;-><init>(Ljava/lang/String;I)V

    return-object v0
.end method

.method public static toBytesPadded(Ljava/math/BigInteger;I)[B
    .registers 7

    .prologue
    const/4 v0, 0x0

    .line 143
    new-array v2, p1, [B

    .line 144
    invoke-virtual {p0}, Ljava/math/BigInteger;->toByteArray()[B

    move-result-object v3

    .line 148
    aget-byte v1, v3, v0

    if-nez v1, :cond_26

    .line 149
    array-length v0, v3

    add-int/lit8 v1, v0, -0x1

    .line 150
    const/4 v0, 0x1

    .line 156
    :goto_f
    if-le v1, p1, :cond_28

    .line 157
    new-instance v0, Ljava/lang/RuntimeException;

    new-instance v1, Ljava/lang/StringBuilder;

    const-string v2, "Input is too large to put in byte array of size "

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

    invoke-virtual {v1, p1}, Ljava/lang/StringBuilder;->append(I)Ljava/lang/StringBuilder;

    move-result-object v1

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

    move-result-object v1

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

    throw v0

    .line 152
    :cond_26
    array-length v1, v3

    goto :goto_f

    .line 160
    :cond_28
    sub-int v4, p1, v1

    .line 161
    invoke-static {v3, v0, v2, v4, v1}, Ljava/lang/System;->arraycopy(Ljava/lang/Object;ILjava/lang/Object;II)V

    .line 162
    return-object v2
.end method

.method public static toHexString([B)Ljava/lang/String;
    .registers 4

    .prologue
    .line 205
    const/4 v0, 0x0

    array-length v1, p0

    const/4 v2, 0x1

    invoke-static {p0, v0, v1, v2}, Lorg/web3j/utils/Numeric;->toHexString([BIIZ)Ljava/lang/String;

    move-result-object v0

    return-object v0
.end method

.method public static toHexString([BIIZ)Ljava/lang/String;
    .registers 10

    .prologue
    .line 193
    new-instance v1, Ljava/lang/StringBuilder;

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

    .line 194
    if-eqz p3, :cond_c

    .line 195
    const-string v0, "0x"

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

    :cond_c
    move v0, p1

    .line 197
    :goto_d
    add-int v2, p1, p2

    if-ge v0, v2, :cond_2b

    .line 198
    const-string v2, "%02x"

    const/4 v3, 0x1

    new-array v3, v3, [Ljava/lang/Object;

    const/4 v4, 0x0

    aget-byte v5, p0, v0

    and-int/lit16 v5, v5, 0xff

    invoke-static {v5}, Ljava/lang/Integer;->valueOf(I)Ljava/lang/Integer;

    move-result-object v5

    aput-object v5, v3, v4

    invoke-static {v2, v3}, Ljava/lang/String;->format(Ljava/lang/String;[Ljava/lang/Object;)Ljava/lang/String;

    move-result-object v2

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    .line 197
    add-int/lit8 v0, v0, 0x1

    goto :goto_d

    .line 201
    :cond_2b
    invoke-virtual {v1}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object v0

    return-object v0
.end method

.method public static toHexStringNoPrefix(Ljava/math/BigInteger;)Ljava/lang/String;
    .registers 2

    .prologue
    .line 105
    const/16 v0, 0x10

    invoke-virtual {p0, v0}, Ljava/math/BigInteger;->toString(I)Ljava/lang/String;

    move-result-object v0

    return-object v0
.end method

.method public static toHexStringNoPrefix([B)Ljava/lang/String;
    .registers 3

    .prologue
    const/4 v1, 0x0

    .line 109
    array-length v0, p0

    invoke-static {p0, v1, v0, v1}, Lorg/web3j/utils/Numeric;->toHexString([BIIZ)Ljava/lang/String;

    move-result-object v0

    return-object v0
.end method

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

    .prologue
    .line 117
    const/4 v0, 0x0

    invoke-static {p0, p1, v0}, Lorg/web3j/utils/Numeric;->toHexStringZeroPadded(Ljava/math/BigInteger;IZ)Ljava/lang/String;

    move-result-object v0

    return-object v0
.end method

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

    .prologue
    .line 101
    new-instance v0, Ljava/lang/StringBuilder;

    const-string v1, "0x"

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

    const/16 v1, 0x10

    invoke-virtual {p0, v1}, Ljava/math/BigInteger;->toString(I)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

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

    move-result-object v0

    return-object v0
.end method

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

    .prologue
    .line 113
    const/4 v0, 0x1

    invoke-static {p0, p1, v0}, Lorg/web3j/utils/Numeric;->toHexStringZeroPadded(Ljava/math/BigInteger;IZ)Ljava/lang/String;

    move-result-object v0

    return-object v0
.end method

.method private static toHexStringZeroPadded(Ljava/math/BigInteger;IZ)Ljava/lang/String;
    .registers 7

    .prologue
    .line 121
    invoke-static {p0}, Lorg/web3j/utils/Numeric;->toHexStringNoPrefix(Ljava/math/BigInteger;)Ljava/lang/String;

    move-result-object v0

    .line 123
    invoke-virtual {v0}, Ljava/lang/String;->length()I

    move-result v1

    .line 124
    if-le v1, p1, :cond_29

    .line 125
    new-instance v1, Ljava/lang/UnsupportedOperationException;

    new-instance v2, Ljava/lang/StringBuilder;

    const-string v3, "Value "

    invoke-direct {v2, v3}, Ljava/lang/StringBuilder;-><init>(Ljava/lang/String;)V

    invoke-virtual {v2, v0}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v0

    const-string v2, "is larger then length "

    invoke-virtual {v0, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v0

    invoke-virtual {v0, p1}, Ljava/lang/StringBuilder;->append(I)Ljava/lang/StringBuilder;

    move-result-object v0

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

    move-result-object v0

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

    throw v1

    .line 127
    :cond_29
    invoke-virtual {p0}, Ljava/math/BigInteger;->signum()I

    move-result v2

    if-gez v2, :cond_37

    .line 128
    new-instance v0, Ljava/lang/UnsupportedOperationException;

    const-string v1, "Value cannot be negative"

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

    throw v0

    .line 131
    :cond_37
    if-ge v1, p1, :cond_50

    .line 132
    new-instance v2, Ljava/lang/StringBuilder;

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

    sub-int v1, p1, v1

    invoke-static {v1}, Lorg/web3j/utils/Strings;->zeros(I)Ljava/lang/String;

    move-result-object v1

    invoke-virtual {v2, v1}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    invoke-virtual {v1, v0}, 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

    .line 135
    :cond_50
    if-eqz p2, :cond_61

    .line 136
    new-instance v1, Ljava/lang/StringBuilder;

    const-string v2, "0x"

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

    invoke-virtual {v1, v0}, 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

    .line 138
    :cond_61
    return-object v0
.end method