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https://github.com/logos-blockchain/lez-programs.git
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r4bbit
e302ba557a
Server-side SwapExactInput preview. The swap_exact_in_quote FFI op orients the pool reserves to the requested in/out direction, prices via the shared amm_core::swap_exact_in_amounts (so expectedOut matches the chain), and derives the slippage floor: { expectedOutRaw, minReceivedRaw, priceImpactBps }. no_pool is returned as an error; pool metadata (reserves/fee) comes from resolve_pool, so it isn't echoed. Read-only — no quoteHash; the on-chain min_amount_out is the real guard.
The module swapExactInQuote(tokenIn, tokenOut, amountIn, slippageBps) method derives the pool via the config-free pool_id op, reads it, and wraps the op in the { status, error, ... } envelope; call() now surfaces the op error code so no_pool propagates.
The QML swap view still uses the old path, so nothing breaks. Will make the QML consume it in a follow-up.
54 lines
1.1 KiB
C
54 lines
1.1 KiB
C
#ifndef AMM_FFI_H
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#define AMM_FFI_H
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#pragma once
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/* Generated by cbindgen. Do not edit. */
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#include <stdarg.h>
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#include <stdbool.h>
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#include <stdint.h>
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#include <stdlib.h>
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#ifdef __cplusplus
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extern "C" {
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#endif // __cplusplus
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char *amm_config_id(const char *request_json);
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char *amm_token_ids(const char *request_json);
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char *amm_pair_ids(const char *request_json);
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char *amm_context(const char *request_json);
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char *amm_quote(const char *request_json);
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char *amm_plan(const char *request_json);
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char *amm_swap_pair(const char *request_json);
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char *amm_resolve_pool(const char *request_json);
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char *amm_pool_id(const char *request_json);
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char *amm_swap_exact_in_quote(const char *request_json);
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char *amm_swap_plan(const char *request_json);
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char *amm_program_id(const char *request_json);
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/**
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* Releases a string returned by an `amm_*` operation.
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*
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* # Safety
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* `value` must be null or a pointer returned by this library that has not been freed.
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*/
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void amm_free(char *value);
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#ifdef __cplusplus
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} // extern "C"
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#endif // __cplusplus
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#endif /* AMM_FFI_H */
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