64 lines
1.9 KiB
C
64 lines
1.9 KiB
C
#include <string.h>
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#include "eth_plugin_interface.h"
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typedef struct erc20_parameters_t {
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uint8_t destinationAddress[20];
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uint8_t amount[32];
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} erc20_parameters_t;
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void erc20_plugin_call(int message, void *parameters) {
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switch(message) {
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case ETH_PLUGIN_INIT_CONTRACT: {
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ethPluginInitContract_t *msg = (ethPluginInitContract_t*)parameters;
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PRINTF("erc20 plugin init\n");
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msg->result = ETH_PLUGIN_RESULT_OK;
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}
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break;
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case ETH_PLUGIN_PROVIDE_PARAMETER : {
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ethPluginProvideParameter_t *msg = (ethPluginProvideParameter_t*)parameters;
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erc20_parameters_t *context = (erc20_parameters_t*)msg->pluginContext;
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PRINTF("erc20 plugin provide parameter %d %.*H\n", msg->parameterOffset, 32, msg->parameter);
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switch(msg->parameterOffset) {
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case 4:
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memmove(context->destinationAddress, msg->parameter + 12, 20);
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msg->result = ETH_PLUGIN_RESULT_OK;
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break;
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case 4 + 32:
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memmove(context->amount, msg->parameter, 32);
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msg->result = ETH_PLUGIN_RESULT_OK;
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break;
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default:
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PRINTF("Unhandled parameter offset\n");
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break;
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}
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}
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break;
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case ETH_PLUGIN_FINALIZE: {
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ethPluginFinalize_t *msg = (ethPluginFinalize_t*)parameters;
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erc20_parameters_t *context = (erc20_parameters_t*)msg->pluginContext;
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PRINTF("erc20 plugin finalize\n");
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msg->tokenLookup1 = msg->pluginSharedRO->txContent->destination;
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msg->amount = context->amount;
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msg->address = context->destinationAddress;
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msg->uiType = ETH_UI_TYPE_AMOUNT_ADDRESS;
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msg->result = ETH_PLUGIN_RESULT_OK;
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}
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break;
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case ETH_PLUGIN_PROVIDE_TOKEN: {
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ethPluginProvideToken_t *msg = (ethPluginProvideToken_t*)parameters;
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PRINTF("erc20 plugin provide token %d\n", (msg->token1 != NULL));
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msg->result = (msg->token1 != NULL ? ETH_PLUGIN_RESULT_OK : ETH_PLUGIN_RESULT_FALLBACK);
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}
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break;
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default:
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PRINTF("Unhandled message %d\n", message);
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}
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}
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