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Script, ScriptBuilder: don't use current time as a default for creationTime

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Rather, leave it `null`.
This commit is contained in:
Andreas Schildbach 2024-10-17 23:18:50 +02:00
parent f70182cbfa
commit 2589c0d7fc
2 changed files with 12 additions and 13 deletions
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14
core/src/main/java/org/bitcoinj/script/Script.java
View file

@ -240,7 +240,7 @@ public class Script {
* @return script that wraps the chunks
*/
public static Script of(List<ScriptChunk> chunks) {
return of(chunks, TimeUtils.currentTime());
return of(chunks, null);
}
/**
@ -263,7 +263,7 @@ public class Script {
* @throws ScriptException if the program could not be parsed
*/
public static Script parse(byte[] program) throws ScriptException {
return parse(program, TimeUtils.currentTime());
return parse(program, null);
}
/**
@ -343,7 +343,7 @@ public class Script {
*/
@Deprecated
public Script(byte[] program) {
this(program, TimeUtils.currentTime());
this(program, null);
}
/**
@ -351,22 +351,20 @@ public class Script {
*/
@Deprecated
public Script(byte[] program, long creationTimeInSeconds) {
this(program, Instant.ofEpochSecond(creationTimeInSeconds));
this(program, creationTimeInSeconds != 0 ? Instant.ofEpochSecond(creationTimeInSeconds) : null);
}
// When constructing from a program, we store both program and chunks
private Script(byte[] program, Instant creationTime) {
private Script(byte[] program, @Nullable Instant creationTime) {
Objects.requireNonNull(program);
Objects.requireNonNull(creationTime);
this.program = Arrays.copyOf(program, program.length); // defensive copy;
this.chunks = parseIntoChunks(this.program);
this.creationTime = creationTime;
}
// When constructing from chunks, we store only chunks, and generate program when getter is called
private Script(List<ScriptChunk> chunks, Instant creationTime) {
private Script(List<ScriptChunk> chunks, @Nullable Instant creationTime) {
Objects.requireNonNull(chunks);
Objects.requireNonNull(creationTime);
this.program = null;
this.chunks = Collections.unmodifiableList(new ArrayList<>(chunks)); // defensive copy
this.creationTime = creationTime;

11
core/src/main/java/org/bitcoinj/script/ScriptBuilder.java
View file

@ -67,7 +67,7 @@ public class ScriptBuilder {
* their addresses.
*/
@Nullable
private Instant creationTime = TimeUtils.currentTime();
private Instant creationTime = null;
/** Creates a fresh ScriptBuilder with an empty program. */
public ScriptBuilder() {
@ -82,8 +82,6 @@ public class ScriptBuilder {
/**
* Associates this script to be built with a given creation time. This is currently used in the context of
* watching wallets only, where the scriptPubKeys being watched actually represent public keys and their addresses.
* <p>
* If this is not set, the current time is used by the builder.
*
* @param creationTime creation time to associate the script with
* @return this builder
@ -286,7 +284,10 @@ public class ScriptBuilder {
/** Creates a new immutable Script based on the state of the builder. */
public Script build() {
return Script.of(chunks, creationTime);
if (creationTime != null)
return Script.of(chunks, creationTime);
else
return Script.of(chunks);
}
/** Creates an empty script. */
@ -306,7 +307,7 @@ public class ScriptBuilder {
}
/**
* Creates a scriptPubKey that encodes payment to the given address. The creation time will be the current time.
* Creates a scriptPubKey that encodes payment to the given address.
*
* @param to address to send payment to
* @return scriptPubKey