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pscott
2021-06-29 16:07:28 +02:00
parent 0294c5e60f
commit 032bd7b7ee
3 changed files with 35 additions and 33 deletions
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11
src_common/ethUstream.c
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@@ -528,12 +528,13 @@ static parserStatus_e processTxInternal(txContext_t *context) {
if (PARSING_IS_DONE(context)) {
return USTREAM_FINISHED;
}
// Old style transaction (pre EIP-155). Transations could just skip `v,r,s` so we needed to cut parsing here.
// commandLength == 0 could happen in two cases :
// Old style transaction (pre EIP-155). Transations could just skip `v,r,s` so we needed to
// cut parsing here. commandLength == 0 could happen in two cases :
// 1. We are in an old style transaction : just return `USTREAM_FINISHED`.
// 2. We are at the end of an APDU in a multi-apdu process. This would make us return `USTREAM_FINISHED` preemptively.
// Case number 2 should NOT happen as it is up to `ledgerjs` to correctly decrease the size of the
// APDU (`commandLength`) so that this situation doesn't happen.
// 2. We are at the end of an APDU in a multi-apdu process. This would make us return
// `USTREAM_FINISHED` preemptively. Case number 2 should NOT happen as it is up to
// `ledgerjs` to correctly decrease the size of the APDU (`commandLength`) so that this
// situation doesn't happen.
if ((context->txType == LEGACY && context->currentField == LEGACY_RLP_V) &&
(context->commandLength == 0)) {
context->content->vLength = 0;