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fixed rlp_length for chain_id > 255 (#381)

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HackyMiner 2018-07-20 00:56:11 +09:00 committed by Pavol Rusnak
parent 020a39bf1d
commit 1ef73190b9
1 changed files with 2 additions and 1 deletions
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3
firmware/ethereum.c
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@ -568,7 +568,8 @@ void ethereum_signing_init(EthereumSignTx *msg, const HDNode *node)
rlp_length += rlp_calculate_length(1, tx_type); rlp_length += rlp_calculate_length(1, tx_type);
} }
if (chain_id) { if (chain_id) {
rlp_length += rlp_calculate_length(1, chain_id); int length = chain_id < 0x100 ? 1: chain_id < 0x10000 ? 2: chain_id < 0x1000000 ? 3 : 4;
rlp_length += rlp_calculate_length(length, chain_id);
rlp_length += rlp_calculate_length(0, 0); rlp_length += rlp_calculate_length(0, 0);
rlp_length += rlp_calculate_length(0, 0); rlp_length += rlp_calculate_length(0, 0);
} }