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mirror of https://github.com/trezor/trezor-firmware.git synced 2024-12-29 17:48:10 +00:00
trezor-firmware/firmware/fsm_msg_ethereum.h

99 lines
2.4 KiB
C

void fsm_msgEthereumSignTx(EthereumSignTx *msg)
{
CHECK_INITIALIZED
CHECK_PIN
const HDNode *node = fsm_getDerivedNode(SECP256K1_NAME, msg->address_n, msg->address_n_count, NULL);
if (!node) return;
ethereum_signing_init(msg, node);
}
void fsm_msgEthereumTxAck(EthereumTxAck *msg)
{
ethereum_signing_txack(msg);
}
void fsm_msgEthereumGetAddress(EthereumGetAddress *msg)
{
RESP_INIT(EthereumAddress);
CHECK_INITIALIZED
CHECK_PIN
const HDNode *node = fsm_getDerivedNode(SECP256K1_NAME, msg->address_n, msg->address_n_count, NULL);
if (!node) return;
resp->address.size = 20;
if (!hdnode_get_ethereum_pubkeyhash(node, resp->address.bytes))
return;
if (msg->has_show_display && msg->show_display) {
char desc[16];
strlcpy(desc, "Address:", sizeof(desc));
char address[43] = { '0', 'x' };
ethereum_address_checksum(resp->address.bytes, address + 2);
if (!fsm_layoutAddress(address, desc, false, 0, msg->address_n, msg->address_n_count)) {
return;
}
}
msg_write(MessageType_MessageType_EthereumAddress, resp);
layoutHome();
}
void fsm_msgEthereumSignMessage(EthereumSignMessage *msg)
{
RESP_INIT(EthereumMessageSignature);
CHECK_INITIALIZED
layoutSignMessage(msg->message.bytes, msg->message.size);
if (!protectButton(ButtonRequestType_ButtonRequest_ProtectCall, false)) {
fsm_sendFailure(FailureType_Failure_ActionCancelled, NULL);
layoutHome();
return;
}
CHECK_PIN
const HDNode *node = fsm_getDerivedNode(SECP256K1_NAME, msg->address_n, msg->address_n_count, NULL);
if (!node) return;
ethereum_message_sign(msg, node, resp);
layoutHome();
}
void fsm_msgEthereumVerifyMessage(EthereumVerifyMessage *msg)
{
CHECK_PARAM(msg->has_address, _("No address provided"));
CHECK_PARAM(msg->has_message, _("No message provided"));
if (ethereum_message_verify(msg) != 0) {
fsm_sendFailure(FailureType_Failure_DataError, _("Invalid signature"));
return;
}
char address[43] = { '0', 'x' };
ethereum_address_checksum(msg->address.bytes, address + 2);
layoutVerifyAddress(address);
if (!protectButton(ButtonRequestType_ButtonRequest_Other, false)) {
fsm_sendFailure(FailureType_Failure_ActionCancelled, NULL);
layoutHome();
return;
}
layoutVerifyMessage(msg->message.bytes, msg->message.size);
if (!protectButton(ButtonRequestType_ButtonRequest_Other, false)) {
fsm_sendFailure(FailureType_Failure_ActionCancelled, NULL);
layoutHome();
return;
}
fsm_sendSuccess(_("Message verified"));
layoutHome();
}