96 lines
2.9 KiB
C
96 lines
2.9 KiB
C
#include "shared_context.h"
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#include "apdu_constants.h"
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#include "feature_signTx.h"
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#include "eth_plugin_interface.h"
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void handleSign(uint8_t p1,
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uint8_t p2,
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const uint8_t *workBuffer,
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uint8_t dataLength,
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unsigned int *flags,
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unsigned int *tx) {
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UNUSED(tx);
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parserStatus_e txResult;
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if (os_global_pin_is_validated() != BOLOS_UX_OK) {
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PRINTF("Device is PIN-locked");
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THROW(0x6982);
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}
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if (p1 == P1_FIRST) {
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if (appState != APP_STATE_IDLE) {
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reset_app_context();
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}
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appState = APP_STATE_SIGNING_TX;
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workBuffer = parseBip32(workBuffer, &dataLength, &tmpCtx.transactionContext.bip32);
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if (workBuffer == NULL) {
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THROW(0x6a80);
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}
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tmpContent.txContent.dataPresent = false;
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dataContext.tokenContext.pluginStatus = ETH_PLUGIN_RESULT_UNAVAILABLE;
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initTx(&txContext, &global_sha3, &tmpContent.txContent, customProcessor, NULL);
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if (dataLength < 1) {
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PRINTF("Invalid data\n");
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THROW(0x6a80);
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}
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// EIP 2718: TransactionType might be present before the TransactionPayload.
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uint8_t txType = *workBuffer;
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if (txType >= MIN_TX_TYPE && txType <= MAX_TX_TYPE) {
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// Enumerate through all supported txTypes here...
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if (txType == EIP2930 || txType == EIP1559) {
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CX_ASSERT(cx_hash_no_throw((cx_hash_t *) &global_sha3, 0, workBuffer, 1, NULL, 0));
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txContext.txType = txType;
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workBuffer++;
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dataLength--;
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} else {
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PRINTF("Transaction type %d not supported\n", txType);
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THROW(0x6501);
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}
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} else {
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txContext.txType = LEGACY;
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}
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PRINTF("TxType: %x\n", txContext.txType);
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} else if (p1 != P1_MORE) {
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THROW(0x6B00);
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}
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if (p2 != 0) {
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THROW(0x6B00);
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}
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if ((p1 == P1_MORE) && (appState != APP_STATE_SIGNING_TX)) {
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PRINTF("Signature not initialized\n");
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THROW(0x6985);
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}
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if (txContext.currentField == RLP_NONE) {
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PRINTF("Parser not initialized\n");
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THROW(0x6985);
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}
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txResult = processTx(&txContext,
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workBuffer,
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dataLength,
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(chainConfig->chainId == 888 ? TX_FLAG_TYPE : 0)); // Wanchain exception
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switch (txResult) {
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case USTREAM_SUSPENDED:
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break;
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case USTREAM_FINISHED:
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break;
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case USTREAM_PROCESSING:
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THROW(0x9000);
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case USTREAM_FAULT:
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THROW(0x6A80);
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default:
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PRINTF("Unexpected parser status\n");
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THROW(0x6A80);
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}
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if (txResult == USTREAM_FINISHED) {
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finalizeParsing();
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}
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*flags |= IO_ASYNCH_REPLY;
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}
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