43 lines
1.4 KiB
C
43 lines
1.4 KiB
C
#include "handle_get_printable_amount.h"
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#include "shared_context.h"
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#include "ethUtils.h"
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#include "utils.h"
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#include "uint256.h"
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#include "string.h"
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#include <stdint.h>
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#include <os.h>
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int handle_get_printable_amount(get_printable_amount_parameters_t* params, chain_config_t* config) {
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uint8_t decimals;
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char ticker[MAX_TICKER_LEN];
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memset(params->printable_amount, 0, sizeof(params->printable_amount));
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if (params->amount_length > 32) {
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PRINTF("Amount is too big, 32 bytes max but buffer has %u bytes", params->amount_length);
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return 0;
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}
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if (!parse_swap_config(params->coin_configuration,
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params->coin_configuration_length,
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ticker,
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&decimals)) {
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PRINTF("Error while parsing config\n");
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return 0;
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}
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// If the amount is a fee, its value is nominated in ETH even if we're doing an ERC20 swap
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if (params->is_fee) {
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uint8_t ticker_len = strnlen(config->coinName, sizeof(config->coinName));
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memcpy(ticker, config->coinName, ticker_len);
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ticker[ticker_len] = ' ';
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ticker[ticker_len + 1] = '\0';
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decimals = WEI_TO_ETHER;
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}
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amountToString(params->amount,
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params->amount_length,
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decimals,
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ticker,
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params->printable_amount,
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sizeof(params->printable_amount));
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return 1;
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}
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