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Display validator address

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This commit is contained in:
pscott
2021-04-22 13:57:09 +02:00
parent d1f5cd0286
commit b899edfaaf
1 changed files with 50 additions and 15 deletions
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65
src_plugins/eth2/eth2_plugin.c
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@@ -24,6 +24,8 @@ void getEth2PublicKey(uint32_t *bip32Path, uint8_t bip32PathLength, uint8_t *out
#define DEPOSIT_CONTRACT_ADDRESS "0x00000000219ab540356cbb839cbe05303d7705fa"
#define DEPOSIT_CONTRACT_LENGTH sizeof(DEPOSIT_CONTRACT_ADDRESS)
char deposit_address[ETH2_DEPOSIT_PUBKEY_LENGTH];
typedef struct eth2_deposit_parameters_t {
uint8_t valid;
} eth2_deposit_parameters_t;
@@ -36,21 +38,30 @@ static void to_lowercase(char *str, unsigned char size) {
}
}
// Fills the `out` buffer with the lowercase string representation of the pubkey passed in as binary format by `in`.
// Does not check the size, so expects `out` to be big enough to told the string representation.
// Returns the length of string (counting the null terminating character).
static int getEthDisplayableAddress(char *out, uint8_t *in) {
out[0] = '0';
out[1] = 'x';
getEthAddressStringFromBinary(in,
(uint8_t *) out + 2,
&global_sha3,
chainConfig);
uint8_t destinationLen = strlen(out) + 1; // Adding one to account for \0.
// Ensure address is in lowercase, to match DEPOSIT_CONTRACT_ADDRESS' case.
to_lowercase(out, destinationLen);
return (destinationLen);
}
static int check_deposit_contract(ethPluginInitContract_t *msg) {
txContent_t *content = msg->pluginSharedRO->txContent;
char destinationAddress[DEPOSIT_CONTRACT_LENGTH];
destinationAddress[0] = '0';
destinationAddress[1] = 'x';
getEthAddressStringFromBinary(content->destination,
(uint8_t *) destinationAddress + 2,
&global_sha3,
chainConfig);
uint8_t destinationLen = strlen(destinationAddress) + 1; // Adding one to account for \0.
// Ensure address is in lowercase, to match DEPOSIT_CONTRACT_ADDRESS' case.
to_lowercase(destinationAddress, destinationLen);
uint8_t destinationLen = getEthDisplayableAddress(destinationAddress, content->destination);
if (destinationLen != DEPOSIT_CONTRACT_LENGTH) {
PRINTF("eth2plugin: destination lengths differs. Expected %u got %u\n",
@@ -132,9 +143,28 @@ void eth2_plugin_call(int message, void *parameters) {
msg->result = ETH_PLUGIN_RESULT_OK;
} break;
case 4 + (32 * 5): // deposit pubkey 1
{
// Copy the first 32 bytes.
memcpy(deposit_address, msg->parameter, sizeof(deposit_address));
msg->result = ETH_PLUGIN_RESULT_OK;
break;
}
case 4 + (32 * 6): // deposit pubkey 2
{
// Copy the last 16 bytes.
memcpy(deposit_address + 32, msg->parameter, sizeof(deposit_address) - 32);
// Use a temporary buffer to store the string representation.
char tmp[ETH2_DEPOSIT_PUBKEY_LENGTH];
getEthDisplayableAddress(tmp, (uint8_t *)deposit_address);
// Copy back the string to the global variable.
strcpy(deposit_address, tmp);
msg->result = ETH_PLUGIN_RESULT_OK;
break;
}
case 4 + (32 * 3): // deposit data root
case 4 + (32 * 5): // deposit pubkey
case 4 + (32 * 6):
case 4 + (32 * 10): // signature
case 4 + (32 * 11):
case 4 + (32 * 12):
@@ -178,7 +208,7 @@ void eth2_plugin_call(int message, void *parameters) {
eth2_deposit_parameters_t *context = (eth2_deposit_parameters_t *) msg->pluginContext;
PRINTF("eth2 plugin finalize\n");
if (context->valid) {
msg->numScreens = 1;
msg->numScreens = 2;
msg->uiType = ETH_UI_TYPE_GENERIC;
msg->result = ETH_PLUGIN_RESULT_OK;
} else {
@@ -198,7 +228,7 @@ void eth2_plugin_call(int message, void *parameters) {
// eth2_deposit_parameters_t *context =
// (eth2_deposit_parameters_t*)msg->pluginContext;
switch (msg->screenIndex) {
case 0: {
case 0: { // Amount screen
uint8_t decimals = WEI_TO_ETHER;
uint8_t *ticker = (uint8_t *) PIC(chainConfig->coinName);
strcpy(msg->title, "Amount");
@@ -210,6 +240,11 @@ void eth2_plugin_call(int message, void *parameters) {
100);
msg->result = ETH_PLUGIN_RESULT_OK;
} break;
case 1: { // Deposit pubkey screen
strcpy(msg->title, "Validator");
strcpy(msg->msg, deposit_address);
msg->result = ETH_PLUGIN_RESULT_OK;
}
default:
break;
}