103 lines
2.7 KiB
C
103 lines
2.7 KiB
C
/*******************************************************************************
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* Ledger Blue
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* (c) 2016 Ledger
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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********************************************************************************/
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#ifndef _ETHUSTREAM_H_
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#define _ETHUSTREAM_H_
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#include "os.h"
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#include "cx.h"
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#include <stdbool.h>
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struct txContext_t;
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typedef enum customStatus_e {
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CUSTOM_NOT_HANDLED,
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CUSTOM_HANDLED,
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CUSTOM_SUSPENDED,
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CUSTOM_FAULT
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} customStatus_e;
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typedef customStatus_e (*ustreamProcess_t)(struct txContext_t *context);
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#define TX_FLAG_TYPE 0x01
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typedef enum rlpTxField_e {
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TX_RLP_NONE = 0,
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TX_RLP_CONTENT,
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TX_RLP_TYPE,
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TX_RLP_NONCE,
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TX_RLP_GASPRICE,
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TX_RLP_STARTGAS,
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TX_RLP_TO,
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TX_RLP_VALUE,
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TX_RLP_DATA,
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TX_RLP_V,
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TX_RLP_R,
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TX_RLP_S,
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TX_RLP_DONE
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} rlpTxField_e;
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typedef enum parserStatus_e {
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USTREAM_PROCESSING,
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USTREAM_SUSPENDED,
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USTREAM_FINISHED,
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USTREAM_FAULT
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} parserStatus_e;
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typedef struct txInt256_t {
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uint8_t value[32];
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uint8_t length;
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} txInt256_t;
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typedef struct txContent_t {
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txInt256_t gasprice;
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txInt256_t startgas;
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txInt256_t value;
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uint8_t destination[20];
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uint8_t destinationLength;
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uint8_t v[4];
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uint8_t vLength;
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} txContent_t;
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typedef struct txContext_t {
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rlpTxField_e currentField;
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cx_sha3_t *sha3;
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uint32_t currentFieldLength;
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uint32_t currentFieldPos;
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bool currentFieldIsList;
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bool processingField;
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bool fieldSingleByte;
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uint32_t dataLength;
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uint8_t rlpBuffer[5];
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uint32_t rlpBufferPos;
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uint8_t *workBuffer;
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uint32_t commandLength;
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uint32_t processingFlags;
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ustreamProcess_t customProcessor;
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txContent_t *content;
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void *extra;
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} txContext_t;
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void initTx(txContext_t *context, cx_sha3_t *sha3, txContent_t *content,
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ustreamProcess_t customProcessor, void *extra);
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parserStatus_e processTx(txContext_t *context, uint8_t *buffer,
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uint32_t length, uint32_t processingFlags);
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parserStatus_e continueTx(txContext_t *context);
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void copyTxData(txContext_t *context, uint8_t *out, uint32_t length);
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uint8_t readTxByte(txContext_t *context);
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#endif /* _ETHUSTREAM_H_ */ |