AbstractBitcoinNetParams.smali

.class public abstract Lorg/bitcoinj/params/AbstractBitcoinNetParams;
.super Lorg/bitcoinj/core/NetworkParameters;
.source "AbstractBitcoinNetParams.java"


# static fields
.field public static final BITCOIN_SCHEME:Ljava/lang/String; = "bitcoin"

.field private static final log:Lorg/slf4j/Logger;


# direct methods
.method static constructor <clinit>()V
    .registers 1

    .prologue
    .line 49
    const-class v0, Lorg/bitcoinj/params/AbstractBitcoinNetParams;

    invoke-static {v0}, Lorg/slf4j/LoggerFactory;->getLogger(Ljava/lang/Class;)Lorg/slf4j/Logger;

    move-result-object v0

    sput-object v0, Lorg/bitcoinj/params/AbstractBitcoinNetParams;->log:Lorg/slf4j/Logger;

    return-void
.end method

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

    .prologue
    .line 52
    invoke-direct {p0}, Lorg/bitcoinj/core/NetworkParameters;-><init>()V

    .line 53
    return-void
.end method


# virtual methods
.method public checkDifficultyTransitions(Lorg/bitcoinj/core/StoredBlock;Lorg/bitcoinj/core/Block;Lorg/bitcoinj/store/BlockStore;)V
    .registers 12

    .prologue
    .line 67
    invoke-virtual {p1}, Lorg/bitcoinj/core/StoredBlock;->getHeader()Lorg/bitcoinj/core/Block;

    move-result-object v2

    .line 70
    invoke-virtual {p0, p1}, Lorg/bitcoinj/params/AbstractBitcoinNetParams;->isDifficultyTransitionPoint(Lorg/bitcoinj/core/StoredBlock;)Z

    move-result v0

    if-nez v0, :cond_53

    .line 73
    invoke-virtual {p2}, Lorg/bitcoinj/core/Block;->getDifficultyTarget()J

    move-result-wide v0

    invoke-virtual {v2}, Lorg/bitcoinj/core/Block;->getDifficultyTarget()J

    move-result-wide v4

    cmp-long v0, v0, v4

    if-eqz v0, :cond_139

    .line 74
    new-instance v0, Lorg/bitcoinj/core/VerificationException;

    new-instance v1, Ljava/lang/StringBuilder;

    const-string v3, "Unexpected change in difficulty at height "

    invoke-direct {v1, v3}, Ljava/lang/StringBuilder;-><init>(Ljava/lang/String;)V

    invoke-virtual {p1}, Lorg/bitcoinj/core/StoredBlock;->getHeight()I

    move-result v3

    invoke-virtual {v1, v3}, Ljava/lang/StringBuilder;->append(I)Ljava/lang/StringBuilder;

    move-result-object v1

    const-string v3, ": "

    invoke-virtual {v1, v3}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    .line 75
    invoke-virtual {p2}, Lorg/bitcoinj/core/Block;->getDifficultyTarget()J

    move-result-wide v4

    invoke-static {v4, v5}, Ljava/lang/Long;->toHexString(J)Ljava/lang/String;

    move-result-object v3

    invoke-virtual {v1, v3}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    const-string v3, " vs "

    invoke-virtual {v1, v3}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    .line 76
    invoke-virtual {v2}, Lorg/bitcoinj/core/Block;->getDifficultyTarget()J

    move-result-wide v2

    invoke-static {v2, v3}, Ljava/lang/Long;->toHexString(J)Ljava/lang/String;

    move-result-object v2

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)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}, Lorg/bitcoinj/core/VerificationException;-><init>(Ljava/lang/String;)V

    throw v0

    .line 82
    :cond_53
    invoke-static {}, Lcom/google/common/base/s;->wT()Lcom/google/common/base/s;

    move-result-object v3

    .line 83
    invoke-virtual {v2}, Lorg/bitcoinj/core/Block;->getHash()Lorg/bitcoinj/core/Sha256Hash;

    move-result-object v0

    invoke-interface {p3, v0}, Lorg/bitcoinj/store/BlockStore;->get(Lorg/bitcoinj/core/Sha256Hash;)Lorg/bitcoinj/core/StoredBlock;

    move-result-object v1

    .line 84
    const/4 v0, 0x0

    :goto_60
    invoke-virtual {p0}, Lorg/bitcoinj/params/AbstractBitcoinNetParams;->getInterval()I

    move-result v4

    add-int/lit8 v4, v4, -0x1

    if-ge v0, v4, :cond_81

    .line 85
    if-nez v1, :cond_72

    .line 87
    new-instance v0, Lorg/bitcoinj/core/VerificationException;

    const-string v1, "Difficulty transition point but we did not find a way back to the genesis block."

    invoke-direct {v0, v1}, Lorg/bitcoinj/core/VerificationException;-><init>(Ljava/lang/String;)V

    throw v0

    .line 90
    :cond_72
    invoke-virtual {v1}, Lorg/bitcoinj/core/StoredBlock;->getHeader()Lorg/bitcoinj/core/Block;

    move-result-object v1

    invoke-virtual {v1}, Lorg/bitcoinj/core/Block;->getPrevBlockHash()Lorg/bitcoinj/core/Sha256Hash;

    move-result-object v1

    invoke-interface {p3, v1}, Lorg/bitcoinj/store/BlockStore;->get(Lorg/bitcoinj/core/Sha256Hash;)Lorg/bitcoinj/core/StoredBlock;

    move-result-object v1

    .line 84
    add-int/lit8 v0, v0, 0x1

    goto :goto_60

    .line 92
    :cond_81
    invoke-virtual {v3}, Lcom/google/common/base/s;->wU()Lcom/google/common/base/s;

    .line 93
    sget-object v0, Ljava/util/concurrent/TimeUnit;->MILLISECONDS:Ljava/util/concurrent/TimeUnit;

    invoke-virtual {v3, v0}, Lcom/google/common/base/s;->a(Ljava/util/concurrent/TimeUnit;)J

    move-result-wide v4

    const-wide/16 v6, 0x32

    cmp-long v0, v4, v6

    if-lez v0, :cond_97

    .line 94
    sget-object v0, Lorg/bitcoinj/params/AbstractBitcoinNetParams;->log:Lorg/slf4j/Logger;

    const-string v4, "Difficulty transition traversal took {}"

    invoke-interface {v0, v4, v3}, Lorg/slf4j/Logger;->info(Ljava/lang/String;Ljava/lang/Object;)V

    .line 96
    :cond_97
    invoke-virtual {v1}, Lorg/bitcoinj/core/StoredBlock;->getHeader()Lorg/bitcoinj/core/Block;

    move-result-object v0

    .line 97
    invoke-virtual {v2}, Lorg/bitcoinj/core/Block;->getTimeSeconds()J

    move-result-wide v4

    invoke-virtual {v0}, Lorg/bitcoinj/core/Block;->getTimeSeconds()J

    move-result-wide v0

    sub-long v0, v4, v0

    long-to-int v0, v0

    .line 99
    invoke-virtual {p0}, Lorg/bitcoinj/params/AbstractBitcoinNetParams;->getTargetTimespan()I

    move-result v1

    .line 100
    div-int/lit8 v3, v1, 0x4

    if-ge v0, v3, :cond_b0

    .line 101
    div-int/lit8 v0, v1, 0x4

    .line 102
    :cond_b0
    shl-int/lit8 v3, v1, 0x2

    if-le v0, v3, :cond_b6

    .line 103
    shl-int/lit8 v0, v1, 0x2

    .line 105
    :cond_b6
    invoke-virtual {v2}, Lorg/bitcoinj/core/Block;->getDifficultyTarget()J

    move-result-wide v2

    invoke-static {v2, v3}, Lorg/bitcoinj/core/Utils;->decodeCompactBits(J)Ljava/math/BigInteger;

    move-result-object v2

    .line 106
    int-to-long v4, v0

    invoke-static {v4, v5}, Ljava/math/BigInteger;->valueOf(J)Ljava/math/BigInteger;

    move-result-object v0

    invoke-virtual {v2, v0}, Ljava/math/BigInteger;->multiply(Ljava/math/BigInteger;)Ljava/math/BigInteger;

    move-result-object v0

    .line 107
    int-to-long v2, v1

    invoke-static {v2, v3}, Ljava/math/BigInteger;->valueOf(J)Ljava/math/BigInteger;

    move-result-object v1

    invoke-virtual {v0, v1}, Ljava/math/BigInteger;->divide(Ljava/math/BigInteger;)Ljava/math/BigInteger;

    move-result-object v0

    .line 109
    invoke-virtual {p0}, Lorg/bitcoinj/params/AbstractBitcoinNetParams;->getMaxTarget()Ljava/math/BigInteger;

    move-result-object v1

    invoke-virtual {v0, v1}, Ljava/math/BigInteger;->compareTo(Ljava/math/BigInteger;)I

    move-result v1

    if-lez v1, :cond_eb

    .line 110
    sget-object v1, Lorg/bitcoinj/params/AbstractBitcoinNetParams;->log:Lorg/slf4j/Logger;

    const-string v2, "Difficulty hit proof of work limit: {}"

    const/16 v3, 0x10

    invoke-virtual {v0, v3}, Ljava/math/BigInteger;->toString(I)Ljava/lang/String;

    move-result-object v0

    invoke-interface {v1, v2, v0}, Lorg/slf4j/Logger;->info(Ljava/lang/String;Ljava/lang/Object;)V

    .line 111
    invoke-virtual {p0}, Lorg/bitcoinj/params/AbstractBitcoinNetParams;->getMaxTarget()Ljava/math/BigInteger;

    move-result-object v0

    .line 114
    :cond_eb
    invoke-virtual {p2}, Lorg/bitcoinj/core/Block;->getDifficultyTarget()J

    move-result-wide v2

    const/16 v1, 0x18

    ushr-long/2addr v2, v1

    long-to-int v1, v2

    add-int/lit8 v1, v1, -0x3

    .line 115
    invoke-virtual {p2}, Lorg/bitcoinj/core/Block;->getDifficultyTarget()J

    move-result-wide v2

    .line 118
    const-wide/32 v4, 0xffffff

    invoke-static {v4, v5}, Ljava/math/BigInteger;->valueOf(J)Ljava/math/BigInteger;

    move-result-object v4

    shl-int/lit8 v1, v1, 0x3

    invoke-virtual {v4, v1}, Ljava/math/BigInteger;->shiftLeft(I)Ljava/math/BigInteger;

    move-result-object v1

    .line 119
    invoke-virtual {v0, v1}, Ljava/math/BigInteger;->and(Ljava/math/BigInteger;)Ljava/math/BigInteger;

    move-result-object v0

    .line 120
    invoke-static {v0}, Lorg/bitcoinj/core/Utils;->encodeCompactBits(Ljava/math/BigInteger;)J

    move-result-wide v0

    .line 122
    cmp-long v4, v0, v2

    if-eqz v4, :cond_139

    .line 123
    new-instance v4, Lorg/bitcoinj/core/VerificationException;

    new-instance v5, Ljava/lang/StringBuilder;

    const-string v6, "Network provided difficulty bits do not match what was calculated: "

    invoke-direct {v5, v6}, Ljava/lang/StringBuilder;-><init>(Ljava/lang/String;)V

    .line 124
    invoke-static {v0, v1}, Ljava/lang/Long;->toHexString(J)Ljava/lang/String;

    move-result-object v0

    invoke-virtual {v5, v0}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v0

    const-string v1, " vs "

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

    move-result-object v0

    invoke-static {v2, v3}, Ljava/lang/Long;->toHexString(J)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

    invoke-direct {v4, v0}, Lorg/bitcoinj/core/VerificationException;-><init>(Ljava/lang/String;)V

    throw v4

    .line 125
    :cond_139
    return-void
.end method

.method public getMaxMoney()Lorg/bitcoinj/core/Coin;
    .registers 2

    .prologue
    .line 129
    sget-object v0, Lorg/bitcoinj/params/AbstractBitcoinNetParams;->MAX_MONEY:Lorg/bitcoinj/core/Coin;

    return-object v0
.end method

.method public getMinNonDustOutput()Lorg/bitcoinj/core/Coin;
    .registers 2

    .prologue
    .line 134
    sget-object v0, Lorg/bitcoinj/core/Transaction;->MIN_NONDUST_OUTPUT:Lorg/bitcoinj/core/Coin;

    return-object v0
.end method

.method public getMonetaryFormat()Lorg/bitcoinj/utils/MonetaryFormat;
    .registers 2

    .prologue
    .line 139
    new-instance v0, Lorg/bitcoinj/utils/MonetaryFormat;

    invoke-direct {v0}, Lorg/bitcoinj/utils/MonetaryFormat;-><init>()V

    return-object v0
.end method

.method public getProtocolVersionNum(Lorg/bitcoinj/core/NetworkParameters$ProtocolVersion;)I
    .registers 3

    .prologue
    .line 144
    invoke-virtual {p1}, Lorg/bitcoinj/core/NetworkParameters$ProtocolVersion;->getBitcoinProtocolVersion()I

    move-result v0

    return v0
.end method

.method public getSerializer(Z)Lorg/bitcoinj/core/BitcoinSerializer;
    .registers 3

    .prologue
    .line 149
    new-instance v0, Lorg/bitcoinj/core/BitcoinSerializer;

    invoke-direct {v0, p0, p1}, Lorg/bitcoinj/core/BitcoinSerializer;-><init>(Lorg/bitcoinj/core/NetworkParameters;Z)V

    return-object v0
.end method

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

    .prologue
    .line 154
    const-string v0, "bitcoin"

    return-object v0
.end method

.method public hasMaxMoney()Z
    .registers 2

    .prologue
    .line 159
    const/4 v0, 0x1

    return v0
.end method

.method protected isDifficultyTransitionPoint(Lorg/bitcoinj/core/StoredBlock;)Z
    .registers 4

    .prologue
    .line 61
    invoke-virtual {p1}, Lorg/bitcoinj/core/StoredBlock;->getHeight()I

    move-result v0

    add-int/lit8 v0, v0, 0x1

    invoke-virtual {p0}, Lorg/bitcoinj/params/AbstractBitcoinNetParams;->getInterval()I

    move-result v1

    rem-int/2addr v0, v1

    if-nez v0, :cond_f

    const/4 v0, 0x1

    :goto_e
    return v0

    :cond_f
    const/4 v0, 0x0

    goto :goto_e
.end method