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feat: migration including v5 methods
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| Original file line number | Diff line number | Diff line change |
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@@ -19,4 +19,5 @@ __pycache__/ | |
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| # JS | ||
| tests/node_modules | ||
| tests/lib | ||
| tests/lib | ||
| tests/snapshots-tmp | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,50 @@ | ||
| #include "paraswap_plugin.h" | ||
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| void handle_finalize(void *parameters) { | ||
| ethPluginFinalize_t *msg = (ethPluginFinalize_t *) parameters; | ||
| paraswap_parameters_t *context = (paraswap_parameters_t *) msg->pluginContext; | ||
| if (context->valid) { | ||
| msg->numScreens = 2; | ||
| if ((context->selectorIndex == SIMPLE_SWAP || context->selectorIndex == SIMPLE_BUY || | ||
| context->selectorIndex == SIMPLE_SWAP_V4) && | ||
| (strncmp(context->beneficiary, | ||
| (const unsigned char *) NULL_ETH_ADDRESS, | ||
| ADDRESS_LENGTH) != 0)) { | ||
| // An addiitonal screen is required to display the `beneficiary` field. | ||
| msg->numScreens += 1; | ||
| } | ||
| if (!ADDRESS_IS_ETH(context->contract_address_sent)) { | ||
| // Address is not ETH so we will need to look up the token in the CAL. | ||
| msg->tokenLookup1 = context->contract_address_sent; | ||
| PRINTF("Setting address sent to: %.*H\n", | ||
| ADDRESS_LENGTH, | ||
| context->contract_address_sent); | ||
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| // The user is not swapping ETH, so make sure there's no ETH being sent in this tx. | ||
| if (!allzeroes(msg->pluginSharedRO->txContent->value.value, | ||
| msg->pluginSharedRO->txContent->value.length)) { | ||
| PRINTF("ETH attached to tx when token being swapped is %.*H\n", | ||
| sizeof(context->contract_address_sent), | ||
| context->contract_address_sent); | ||
| msg->result = ETH_PLUGIN_RESULT_ERROR; | ||
| } | ||
| } else { | ||
| msg->tokenLookup1 = NULL; | ||
| } | ||
| if (!ADDRESS_IS_ETH(context->contract_address_received)) { | ||
| // Address is not ETH so we will need to look up the token in the CAL. | ||
| PRINTF("Setting address receiving to: %.*H\n", | ||
| ADDRESS_LENGTH, | ||
| context->contract_address_received); | ||
| msg->tokenLookup2 = context->contract_address_received; | ||
| } else { | ||
| msg->tokenLookup2 = NULL; | ||
| } | ||
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| msg->uiType = ETH_UI_TYPE_GENERIC; | ||
| msg->result = ETH_PLUGIN_RESULT_OK; | ||
| } else { | ||
| PRINTF("Context not valid\n"); | ||
| msg->result = ETH_PLUGIN_RESULT_FALLBACK; | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,75 @@ | ||
| #include "paraswap_plugin.h" | ||
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| // Called once to init. | ||
| void handle_init_contract(void *parameters) { | ||
| ethPluginInitContract_t *msg = (ethPluginInitContract_t *) parameters; | ||
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| if (msg->interfaceVersion != ETH_PLUGIN_INTERFACE_VERSION_LATEST) { | ||
| PRINTF("Wrong interface version: expected %d got %d\n", | ||
| ETH_PLUGIN_INTERFACE_VERSION_LATEST, | ||
| msg->interfaceVersion); | ||
| msg->result = ETH_PLUGIN_RESULT_UNAVAILABLE; | ||
| return; | ||
| } | ||
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| if (msg->pluginContextLength < sizeof(paraswap_parameters_t)) { | ||
| PRINTF("Paraswap context size too big: expected %d got %d\n", | ||
| sizeof(paraswap_parameters_t), | ||
| msg->pluginContextLength); | ||
| msg->result = ETH_PLUGIN_RESULT_ERROR; | ||
| return; | ||
| } | ||
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| paraswap_parameters_t *context = (paraswap_parameters_t *) msg->pluginContext; | ||
| memset(context, 0, sizeof(*context)); | ||
| context->valid = 1; | ||
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| for (uint8_t i = 0; i < NUM_PARASWAP_SELECTORS; i++) { | ||
| if (memcmp((uint8_t *) PIC(PARASWAP_SELECTORS[i]), msg->selector, SELECTOR_SIZE) == 0) { | ||
| context->selectorIndex = i; | ||
| break; | ||
| } | ||
| } | ||
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| // Set `next_param` to be the first field we expect to parse. | ||
| switch (context->selectorIndex) { | ||
| case BUY_ON_UNI_FORK: | ||
| case SWAP_ON_UNI_FORK: | ||
| case BUY_ON_UNI: | ||
| case SWAP_ON_UNI: | ||
| case SWAP_ON_UNI_V4: | ||
| case SWAP_ON_UNI_FORK_V4: | ||
| case BUY_ON_UNI_V4: | ||
| case BUY_ON_UNI_FORK_V4: | ||
| if (context->selectorIndex == SWAP_ON_UNI_FORK || | ||
| context->selectorIndex == BUY_ON_UNI_FORK || | ||
| context->selectorIndex == SWAP_ON_UNI_FORK_V4 || | ||
| context->selectorIndex == BUY_ON_UNI_FORK_V4) { | ||
| context->skip = | ||
| 2; // Skip the first two parameters (factory and initCode) for uni forks. | ||
| } | ||
| context->next_param = AMOUNT_SENT; | ||
| break; | ||
| case SWAP_ON_ZERO_V4: | ||
| case SWAP_ON_ZERO_V2: | ||
| context->next_param = TOKEN_SENT; | ||
| break; | ||
| case MEGA_SWAP: | ||
| case BUY: | ||
| case MULTI_SWAP: | ||
| case SIMPLE_BUY: | ||
| case SIMPLE_SWAP: | ||
| case SIMPLE_SWAP_V4: | ||
| case MULTI_SWAP_V4: | ||
| case MEGA_SWAP_V4: | ||
| context->next_param = TOKEN_SENT; | ||
| if (context->selectorIndex != SIMPLE_SWAP_V4) | ||
| context->skip = 1; // Skipping 0x20 (offset of structure) | ||
| break; | ||
| default: | ||
| PRINTF("Missing selectorIndex\n"); | ||
| msg->result = ETH_PLUGIN_RESULT_ERROR; | ||
| return; | ||
| } | ||
| msg->result = ETH_PLUGIN_RESULT_OK; | ||
| } |
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