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SPVBlockStore: make sure to use position(int) only from Buffer rather than MappedByteBuffer

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Without this cast, on some old JDKs it links against an overloaded method in MappedByteBuffer
and Android doesn't have it.
This commit is contained in:
Andreas Schildbach 2025-01-27 16:08:19 +01:00
parent 2cdeabf02c
commit a5aaa8924a
1 changed files with 2 additions and 2 deletions
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4
core/src/main/java/org/bitcoinj/store/SPVBlockStore.java
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@ -236,9 +236,9 @@ public class SPVBlockStore implements BlockStore {
final byte[] zeroPadding = new byte[20]; // 32 (V2 work) - 12 (V1 work)
for (int i = currentCapacity - 1; i >= 0; i--) {
byte[] record = new byte[RECORD_SIZE_V1];
buffer.position(FILE_PROLOGUE_BYTES + i * RECORD_SIZE_V1);
((Buffer) buffer).position(FILE_PROLOGUE_BYTES + i * RECORD_SIZE_V1);
buffer.get(record);
buffer.position(FILE_PROLOGUE_BYTES + i * RECORD_SIZE_V2);
((Buffer) buffer).position(FILE_PROLOGUE_BYTES + i * RECORD_SIZE_V2);
buffer.put(record, 0, 32); // hash
buffer.put(zeroPadding);
buffer.put(record, 32, RECORD_SIZE_V1 - 32); // work, height, block header