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[psbt] add file size limit

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Sjors Provoost 2020-03-26 11:18:52 +01:00
parent 1cd8dc2556
commit 764bfe4cba
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src/psbt.h
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@ -40,6 +40,10 @@ static constexpr uint8_t PSBT_OUT_BIP32_DERIVATION = 0x02;
// as a 0 length key which indicates that this is the separator. The separator has no value. // as a 0 length key which indicates that this is the separator. The separator has no value.
static constexpr uint8_t PSBT_SEPARATOR = 0x00; static constexpr uint8_t PSBT_SEPARATOR = 0x00;
// BIP 174 does not specify a maximum file size, but we set a limit anyway
// to prevent reading a stream indefinately and running out of memory.
const std::streamsize MAX_FILE_SIZE_PSBT = 100000000; // 100 MiB
/** A structure for PSBTs which contain per-input information */ /** A structure for PSBTs which contain per-input information */
struct PSBTInput struct PSBTInput
{ {