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https://github.com/logos-blockchain/lez-programs.git
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r4bbit
62dc45177d
A permissionless keeper op that refreshes a pool's stored reserves to the live
vault balances (and its TWAP tick). Same lean pattern as the other plans, but
minimal: SyncReserves is a unit instruction — no quote, no user inputs (no
amounts/slippage/deadline/holdings), and nothing signs.
FFI (modules/amm/ffi):
- sync_reserves_plan: encodes SyncReserves over the fixed 6-account IDL order
(config, pool, vault_a, vault_b, current_tick, clock), all non-signing.
config/pool/current_tick/clock are order-independent PDAs from derive_pair;
the vaults come from the pool's stored ids in pool_data (read-only, but the
guest still asserts them — a non-canonically-stored pool would otherwise
mismatch). Fails closed: same_token_pair, config_unavailable, no_pool.
- Wired through mod.rs / ffi.rs (cbindgen header regenerated). Tests cover the
stored-vault + zero-signer + unit-instruction layout and the fail-closed
paths. amm_ffi: 43 tests pass, clippy clean. (lib.rs is a cargo fmt re-wrap.)
C++ module (modules/amm/src):
- syncReserves reads config + pool server-side, calls the plan, and submits.
request is just { tokenAId, tokenBId } — no holdings/amounts/deadline. Public
method → auto-exposed via the universal-module dispatch.
70 lines
1.5 KiB
C
70 lines
1.5 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_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_exact_out_quote(const char *request_json);
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char *amm_swap_exact_in_plan(const char *request_json);
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char *amm_swap_exact_out_plan(const char *request_json);
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char *amm_liquidity_quote(const char *request_json);
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char *amm_create_pool_plan(const char *request_json);
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char *amm_add_liquidity_quote(const char *request_json);
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char *amm_add_liquidity_plan(const char *request_json);
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char *amm_remove_liquidity_quote(const char *request_json);
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char *amm_remove_liquidity_plan(const char *request_json);
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char *amm_sync_reserves_plan(const char *request_json);
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char *amm_token_holdings(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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