DeterministicHierarchy.smali

.class public Lorg/bitcoinj/crypto/DeterministicHierarchy;
.super Ljava/lang/Object;
.source "DeterministicHierarchy.java"


# static fields
.field public static final BIP32_STANDARDISATION_TIME_SECS:I = 0x519d5c00


# instance fields
.field private final keys:Ljava/util/Map;
    .annotation system Ldalvik/annotation/Signature;
        value = {
            "Ljava/util/Map",
            "<",
            "Lcom/google/common/collect/ImmutableList",
            "<",
            "Lorg/bitcoinj/crypto/ChildNumber;",
            ">;",
            "Lorg/bitcoinj/crypto/DeterministicKey;",
            ">;"
        }
    .end annotation
.end field

.field private final lastChildNumbers:Ljava/util/Map;
    .annotation system Ldalvik/annotation/Signature;
        value = {
            "Ljava/util/Map",
            "<",
            "Lcom/google/common/collect/ImmutableList",
            "<",
            "Lorg/bitcoinj/crypto/ChildNumber;",
            ">;",
            "Lorg/bitcoinj/crypto/ChildNumber;",
            ">;"
        }
    .end annotation
.end field

.field private final rootPath:Lcom/google/common/collect/ImmutableList;
    .annotation system Ldalvik/annotation/Signature;
        value = {
            "Lcom/google/common/collect/ImmutableList",
            "<",
            "Lorg/bitcoinj/crypto/ChildNumber;",
            ">;"
        }
    .end annotation
.end field


# direct methods
.method public constructor <init>(Lorg/bitcoinj/crypto/DeterministicKey;)V
    .registers 3

    .prologue
    .line 55
    invoke-direct {p0}, Ljava/lang/Object;-><init>()V

    .line 44
    invoke-static {}, Lcom/google/common/collect/Maps;->newHashMap()Ljava/util/HashMap;

    move-result-object v0

    iput-object v0, p0, Lorg/bitcoinj/crypto/DeterministicHierarchy;->keys:Ljava/util/Map;

    .line 47
    invoke-static {}, Lcom/google/common/collect/Maps;->newHashMap()Ljava/util/HashMap;

    move-result-object v0

    iput-object v0, p0, Lorg/bitcoinj/crypto/DeterministicHierarchy;->lastChildNumbers:Ljava/util/Map;

    .line 56
    invoke-virtual {p0, p1}, Lorg/bitcoinj/crypto/DeterministicHierarchy;->putKey(Lorg/bitcoinj/crypto/DeterministicKey;)V

    .line 57
    invoke-virtual {p1}, Lorg/bitcoinj/crypto/DeterministicKey;->getPath()Lcom/google/common/collect/ImmutableList;

    move-result-object v0

    iput-object v0, p0, Lorg/bitcoinj/crypto/DeterministicHierarchy;->rootPath:Lcom/google/common/collect/ImmutableList;

    .line 58
    return-void
.end method

.method private deriveChild(Lorg/bitcoinj/crypto/DeterministicKey;Lorg/bitcoinj/crypto/ChildNumber;)Lorg/bitcoinj/crypto/DeterministicKey;
    .registers 4

    .prologue
    .line 151
    invoke-static {p1, p2}, Lorg/bitcoinj/crypto/HDKeyDerivation;->deriveChildKey(Lorg/bitcoinj/crypto/DeterministicKey;Lorg/bitcoinj/crypto/ChildNumber;)Lorg/bitcoinj/crypto/DeterministicKey;

    move-result-object v0

    .line 152
    invoke-virtual {p0, v0}, Lorg/bitcoinj/crypto/DeterministicHierarchy;->putKey(Lorg/bitcoinj/crypto/DeterministicKey;)V

    .line 153
    return-object v0
.end method

.method private getNextChildNumberToDerive(Lcom/google/common/collect/ImmutableList;Z)Lorg/bitcoinj/crypto/ChildNumber;
    .registers 5
    .annotation system Ldalvik/annotation/Signature;
        value = {
            "(",
            "Lcom/google/common/collect/ImmutableList",
            "<",
            "Lorg/bitcoinj/crypto/ChildNumber;",
            ">;Z)",
            "Lorg/bitcoinj/crypto/ChildNumber;"
        }
    .end annotation

    .prologue
    .line 122
    iget-object v0, p0, Lorg/bitcoinj/crypto/DeterministicHierarchy;->lastChildNumbers:Ljava/util/Map;

    invoke-interface {v0, p1}, Ljava/util/Map;->get(Ljava/lang/Object;)Ljava/lang/Object;

    move-result-object v0

    check-cast v0, Lorg/bitcoinj/crypto/ChildNumber;

    .line 123
    new-instance v1, Lorg/bitcoinj/crypto/ChildNumber;

    if-eqz v0, :cond_1b

    invoke-virtual {v0}, Lorg/bitcoinj/crypto/ChildNumber;->num()I

    move-result v0

    add-int/lit8 v0, v0, 0x1

    :goto_12
    invoke-direct {v1, v0, p2}, Lorg/bitcoinj/crypto/ChildNumber;-><init>(IZ)V

    .line 124
    iget-object v0, p0, Lorg/bitcoinj/crypto/DeterministicHierarchy;->lastChildNumbers:Ljava/util/Map;

    invoke-interface {v0, p1, v1}, Ljava/util/Map;->put(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;

    .line 125
    return-object v1

    .line 123
    :cond_1b
    const/4 v0, 0x0

    goto :goto_12
.end method


# virtual methods
.method public deriveChild(Ljava/util/List;ZZLorg/bitcoinj/crypto/ChildNumber;)Lorg/bitcoinj/crypto/DeterministicKey;
    .registers 6
    .annotation system Ldalvik/annotation/Signature;
        value = {
            "(",
            "Ljava/util/List",
            "<",
            "Lorg/bitcoinj/crypto/ChildNumber;",
            ">;ZZ",
            "Lorg/bitcoinj/crypto/ChildNumber;",
            ")",
            "Lorg/bitcoinj/crypto/DeterministicKey;"
        }
    .end annotation

    .prologue
    .line 147
    invoke-virtual {p0, p1, p2, p3}, Lorg/bitcoinj/crypto/DeterministicHierarchy;->get(Ljava/util/List;ZZ)Lorg/bitcoinj/crypto/DeterministicKey;

    move-result-object v0

    invoke-direct {p0, v0, p4}, Lorg/bitcoinj/crypto/DeterministicHierarchy;->deriveChild(Lorg/bitcoinj/crypto/DeterministicKey;Lorg/bitcoinj/crypto/ChildNumber;)Lorg/bitcoinj/crypto/DeterministicKey;

    move-result-object v0

    return-object v0
.end method

.method public deriveNextChild(Lcom/google/common/collect/ImmutableList;ZZZ)Lorg/bitcoinj/crypto/DeterministicKey;
    .registers 9
    .annotation system Ldalvik/annotation/Signature;
        value = {
            "(",
            "Lcom/google/common/collect/ImmutableList",
            "<",
            "Lorg/bitcoinj/crypto/ChildNumber;",
            ">;ZZZ)",
            "Lorg/bitcoinj/crypto/DeterministicKey;"
        }
    .end annotation

    .prologue
    .line 110
    invoke-virtual {p0, p1, p2, p3}, Lorg/bitcoinj/crypto/DeterministicHierarchy;->get(Ljava/util/List;ZZ)Lorg/bitcoinj/crypto/DeterministicKey;

    move-result-object v2

    .line 111
    const/4 v0, 0x0

    .line 112
    :goto_5
    add-int/lit8 v1, v0, 0x1

    const/16 v3, 0x64

    if-ge v0, v3, :cond_1b

    .line 114
    :try_start_b
    invoke-virtual {v2}, Lorg/bitcoinj/crypto/DeterministicKey;->getPath()Lcom/google/common/collect/ImmutableList;

    move-result-object v0

    invoke-direct {p0, v0, p4}, Lorg/bitcoinj/crypto/DeterministicHierarchy;->getNextChildNumberToDerive(Lcom/google/common/collect/ImmutableList;Z)Lorg/bitcoinj/crypto/ChildNumber;

    move-result-object v0

    .line 115
    invoke-direct {p0, v2, v0}, Lorg/bitcoinj/crypto/DeterministicHierarchy;->deriveChild(Lorg/bitcoinj/crypto/DeterministicKey;Lorg/bitcoinj/crypto/ChildNumber;)Lorg/bitcoinj/crypto/DeterministicKey;
    :try_end_16
    .catch Lorg/bitcoinj/crypto/HDDerivationException; {:try_start_b .. :try_end_16} :catch_18

    move-result-object v0

    return-object v0

    .line 116
    :catch_18
    move-exception v0

    move v0, v1

    goto :goto_5

    .line 118
    :cond_1b
    new-instance v0, Lorg/bitcoinj/crypto/HDDerivationException;

    const-string v1, "Maximum number of child derivation attempts reached, this is probably an indication of a bug."

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

    throw v0
.end method

.method public get(Ljava/util/List;ZZ)Lorg/bitcoinj/crypto/DeterministicKey;
    .registers 11
    .annotation system Ldalvik/annotation/Signature;
        value = {
            "(",
            "Ljava/util/List",
            "<",
            "Lorg/bitcoinj/crypto/ChildNumber;",
            ">;ZZ)",
            "Lorg/bitcoinj/crypto/DeterministicKey;"
        }
    .end annotation

    .prologue
    const/4 v2, 0x1

    const/4 v3, 0x0

    .line 84
    if-eqz p2, :cond_3e

    .line 85
    invoke-static {}, Lcom/google/common/collect/ImmutableList;->builder()Lcom/google/common/collect/an;

    move-result-object v0

    iget-object v1, p0, Lorg/bitcoinj/crypto/DeterministicHierarchy;->rootPath:Lcom/google/common/collect/ImmutableList;

    invoke-virtual {v0, v1}, Lcom/google/common/collect/an;->c(Ljava/lang/Iterable;)Lcom/google/common/collect/an;

    move-result-object v0

    invoke-virtual {v0, p1}, Lcom/google/common/collect/an;->c(Ljava/lang/Iterable;)Lcom/google/common/collect/an;

    move-result-object v0

    invoke-virtual {v0}, Lcom/google/common/collect/an;->xm()Lcom/google/common/collect/ImmutableList;

    move-result-object v0

    move-object v1, v0

    .line 87
    :goto_17
    iget-object v0, p0, Lorg/bitcoinj/crypto/DeterministicHierarchy;->keys:Ljava/util/Map;

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

    move-result v0

    if-nez v0, :cond_74

    .line 88
    if-nez p3, :cond_47

    .line 89
    new-instance v1, Ljava/lang/IllegalArgumentException;

    sget-object v4, Ljava/util/Locale;->US:Ljava/util/Locale;

    const-string v5, "No key found for %s path %s."

    const/4 v0, 0x2

    new-array v6, v0, [Ljava/lang/Object;

    if-eqz p2, :cond_44

    const-string v0, "relative"

    :goto_2e
    aput-object v0, v6, v3

    .line 90
    invoke-static {p1}, Lorg/bitcoinj/crypto/HDUtils;->formatPath(Ljava/util/List;)Ljava/lang/String;

    move-result-object v0

    aput-object v0, v6, v2

    .line 89
    invoke-static {v4, v5, v6}, Ljava/lang/String;->format(Ljava/util/Locale;Ljava/lang/String;[Ljava/lang/Object;)Ljava/lang/String;

    move-result-object v0

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

    throw v1

    .line 86
    :cond_3e
    invoke-static {p1}, Lcom/google/common/collect/ImmutableList;->copyOf(Ljava/util/Collection;)Lcom/google/common/collect/ImmutableList;

    move-result-object v0

    move-object v1, v0

    goto :goto_17

    .line 89
    :cond_44
    const-string v0, "absolute"

    goto :goto_2e

    .line 91
    :cond_47
    invoke-virtual {v1}, Lcom/google/common/collect/ImmutableList;->size()I

    move-result v0

    if-lez v0, :cond_7d

    move v0, v2

    :goto_4e
    const-string v4, "Can\'t derive the master key: nothing to derive from."

    invoke-static {v0, v4}, Lcom/google/common/base/n;->checkArgument(ZLjava/lang/Object;)V

    .line 92
    invoke-virtual {v1}, Lcom/google/common/collect/ImmutableList;->size()I

    move-result v0

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

    invoke-virtual {v1, v3, v0}, Lcom/google/common/collect/ImmutableList;->subList(II)Lcom/google/common/collect/ImmutableList;

    move-result-object v0

    invoke-virtual {p0, v0, v3, v2}, Lorg/bitcoinj/crypto/DeterministicHierarchy;->get(Ljava/util/List;ZZ)Lorg/bitcoinj/crypto/DeterministicKey;

    move-result-object v2

    .line 93
    invoke-virtual {v1}, Lcom/google/common/collect/ImmutableList;->size()I

    move-result v0

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

    invoke-virtual {v1, v0}, Lcom/google/common/collect/ImmutableList;->get(I)Ljava/lang/Object;

    move-result-object v0

    check-cast v0, Lorg/bitcoinj/crypto/ChildNumber;

    invoke-static {v2, v0}, Lorg/bitcoinj/crypto/HDKeyDerivation;->deriveChildKey(Lorg/bitcoinj/crypto/DeterministicKey;Lorg/bitcoinj/crypto/ChildNumber;)Lorg/bitcoinj/crypto/DeterministicKey;

    move-result-object v0

    invoke-virtual {p0, v0}, Lorg/bitcoinj/crypto/DeterministicHierarchy;->putKey(Lorg/bitcoinj/crypto/DeterministicKey;)V

    .line 95
    :cond_74
    iget-object v0, p0, Lorg/bitcoinj/crypto/DeterministicHierarchy;->keys:Ljava/util/Map;

    invoke-interface {v0, v1}, Ljava/util/Map;->get(Ljava/lang/Object;)Ljava/lang/Object;

    move-result-object v0

    check-cast v0, Lorg/bitcoinj/crypto/DeterministicKey;

    return-object v0

    :cond_7d
    move v0, v3

    .line 91
    goto :goto_4e
.end method

.method public getNumChildren(Lcom/google/common/collect/ImmutableList;)I
    .registers 3
    .annotation system Ldalvik/annotation/Signature;
        value = {
            "(",
            "Lcom/google/common/collect/ImmutableList",
            "<",
            "Lorg/bitcoinj/crypto/ChildNumber;",
            ">;)I"
        }
    .end annotation

    .prologue
    .line 129
    iget-object v0, p0, Lorg/bitcoinj/crypto/DeterministicHierarchy;->lastChildNumbers:Ljava/util/Map;

    invoke-interface {v0, p1}, Ljava/util/Map;->get(Ljava/lang/Object;)Ljava/lang/Object;

    move-result-object v0

    check-cast v0, Lorg/bitcoinj/crypto/ChildNumber;

    .line 130
    if-nez v0, :cond_c

    .line 131
    const/4 v0, 0x0

    .line 133
    :goto_b
    return v0

    :cond_c
    invoke-virtual {v0}, Lorg/bitcoinj/crypto/ChildNumber;->num()I

    move-result v0

    add-int/lit8 v0, v0, 0x1

    goto :goto_b
.end method

.method public getRootKey()Lorg/bitcoinj/crypto/DeterministicKey;
    .registers 3

    .prologue
    const/4 v1, 0x0

    .line 160
    iget-object v0, p0, Lorg/bitcoinj/crypto/DeterministicHierarchy;->rootPath:Lcom/google/common/collect/ImmutableList;

    invoke-virtual {p0, v0, v1, v1}, Lorg/bitcoinj/crypto/DeterministicHierarchy;->get(Ljava/util/List;ZZ)Lorg/bitcoinj/crypto/DeterministicKey;

    move-result-object v0

    return-object v0
.end method

.method public final putKey(Lorg/bitcoinj/crypto/DeterministicKey;)V
    .registers 6

    .prologue
    .line 65
    invoke-virtual {p1}, Lorg/bitcoinj/crypto/DeterministicKey;->getPath()Lcom/google/common/collect/ImmutableList;

    move-result-object v0

    .line 68
    invoke-virtual {p1}, Lorg/bitcoinj/crypto/DeterministicKey;->getParent()Lorg/bitcoinj/crypto/DeterministicKey;

    move-result-object v1

    .line 69
    if-eqz v1, :cond_17

    .line 70
    iget-object v2, p0, Lorg/bitcoinj/crypto/DeterministicHierarchy;->lastChildNumbers:Ljava/util/Map;

    invoke-virtual {v1}, Lorg/bitcoinj/crypto/DeterministicKey;->getPath()Lcom/google/common/collect/ImmutableList;

    move-result-object v1

    invoke-virtual {p1}, Lorg/bitcoinj/crypto/DeterministicKey;->getChildNumber()Lorg/bitcoinj/crypto/ChildNumber;

    move-result-object v3

    invoke-interface {v2, v1, v3}, Ljava/util/Map;->put(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;

    .line 71
    :cond_17
    iget-object v1, p0, Lorg/bitcoinj/crypto/DeterministicHierarchy;->keys:Ljava/util/Map;

    invoke-interface {v1, v0, p1}, Ljava/util/Map;->put(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;

    .line 72
    return-void
.end method