0.7.6
This commit is contained in:
627
kb_lib/src/dex/meteora_dbc.rs
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627
kb_lib/src/dex/meteora_dbc.rs
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@@ -0,0 +1,627 @@
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// file: kb_lib/src/dex/meteora_dbc.rs
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//! Meteora Dynamic Bonding Curve (DBC) transaction decoder.
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/// Meteora DBC program id.
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pub const KB_METEORA_DBC_PROGRAM_ID: &str = "dbcij3LWUppWqq96dh6gJWwBifmcGfLSB5D4DuSMaqN";
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/// Decoded Meteora DBC create-pool event.
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#[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
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pub struct KbMeteoraDbcCreatePoolDecoded {
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/// Parent transaction id.
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pub transaction_id: i64,
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/// Parent instruction id.
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pub instruction_id: i64,
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/// Transaction signature.
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pub signature: std::string::String,
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/// Program id.
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pub program_id: std::string::String,
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/// Optional pool account.
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pub pool_account: std::option::Option<std::string::String>,
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/// Optional base mint.
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pub token_a_mint: std::option::Option<std::string::String>,
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/// Optional quote mint.
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pub token_b_mint: std::option::Option<std::string::String>,
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/// Optional config account.
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pub config_account: std::option::Option<std::string::String>,
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/// Optional creator.
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pub creator: std::option::Option<std::string::String>,
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/// Decoded payload.
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pub payload_json: serde_json::Value,
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}
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/// Decoded Meteora DBC swap event.
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#[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
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pub struct KbMeteoraDbcSwapDecoded {
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/// Parent transaction id.
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pub transaction_id: i64,
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/// Parent instruction id.
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pub instruction_id: i64,
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/// Transaction signature.
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pub signature: std::string::String,
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/// Program id.
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pub program_id: std::string::String,
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/// Trade side relative to normalized base.
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pub trade_side: crate::KbSwapTradeSide,
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/// Optional pool account.
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pub pool_account: std::option::Option<std::string::String>,
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/// Optional base mint.
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pub token_a_mint: std::option::Option<std::string::String>,
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/// Optional quote mint.
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pub token_b_mint: std::option::Option<std::string::String>,
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/// Decoded payload.
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pub payload_json: serde_json::Value,
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}
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/// Decoded Meteora DBC event.
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#[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
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pub enum KbMeteoraDbcDecodedEvent {
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/// Create pool / launch pool.
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CreatePool(KbMeteoraDbcCreatePoolDecoded),
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/// Swap / swap2.
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Swap(KbMeteoraDbcSwapDecoded),
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}
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/// Meteora DBC decoder.
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#[derive(Debug, Clone, Default)]
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pub struct KbMeteoraDbcDecoder;
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impl KbMeteoraDbcDecoder {
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/// Creates a new decoder.
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pub fn new() -> Self {
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Self
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}
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/// Decodes one projected transaction into zero or more Meteora DBC events.
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pub fn decode_transaction(
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&self,
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transaction: &crate::KbChainTransactionDto,
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instructions: &[crate::KbChainInstructionDto],
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) -> Result<std::vec::Vec<crate::KbMeteoraDbcDecodedEvent>, crate::KbError> {
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let transaction_id_option = transaction.id;
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let transaction_id = match transaction_id_option {
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Some(transaction_id) => transaction_id,
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None => {
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return Err(crate::KbError::InvalidState(format!(
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"chain transaction '{}' has no internal id",
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transaction.signature
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)));
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}
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};
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let transaction_json_result =
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serde_json::from_str::<serde_json::Value>(transaction.transaction_json.as_str());
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let transaction_json = match transaction_json_result {
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Ok(transaction_json) => transaction_json,
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Err(error) => {
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return Err(crate::KbError::Json(format!(
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"cannot parse transaction_json for signature '{}': {}",
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transaction.signature, error
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)));
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}
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};
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let log_messages = kb_extract_log_messages(&transaction_json);
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let mut decoded_events = std::vec::Vec::new();
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for instruction in instructions {
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if instruction.parent_instruction_id.is_some() {
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continue;
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}
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let program_id_option = &instruction.program_id;
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let program_id = match program_id_option {
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Some(program_id) => program_id,
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None => continue,
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};
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if program_id.as_str() != crate::KB_METEORA_DBC_PROGRAM_ID {
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continue;
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}
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let instruction_id_option = instruction.id;
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let instruction_id = match instruction_id_option {
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Some(instruction_id) => instruction_id,
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None => continue,
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};
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let accounts_result = kb_parse_accounts_json(instruction.accounts_json.as_str());
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let accounts = match accounts_result {
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Ok(accounts) => accounts,
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Err(error) => return Err(error),
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};
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let parsed_json_result =
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kb_parse_optional_parsed_json(instruction.parsed_json.as_ref());
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let parsed_json = match parsed_json_result {
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Ok(parsed_json) => parsed_json,
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Err(error) => return Err(error),
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};
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let is_create_pool = kb_log_messages_contain_any_keyword(
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&log_messages,
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&[
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"create_pool",
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"createpool",
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"initialize_pool",
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"initializepool",
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"launch_pool",
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],
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) || kb_value_contains_any_key(
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parsed_json.as_ref(),
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&[
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"poolConfig",
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"migrationQuoteThreshold",
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"curveConfig",
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"dbcConfig",
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],
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);
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let is_swap = kb_log_messages_contain_any_keyword(&log_messages, &["swap2", "swap"]);
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let pool_account = kb_extract_string_by_candidate_keys(
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parsed_json.as_ref(),
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&["pool", "poolAccount", "poolState", "virtualPool", "poolKey"],
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)
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.or_else(|| kb_extract_account(&accounts, 0));
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let token_a_mint = kb_extract_string_by_candidate_keys(
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parsed_json.as_ref(),
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&["baseMint", "tokenAMint", "mintA", "token0Mint", "mint0"],
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)
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.or_else(|| kb_extract_account(&accounts, 1));
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let token_b_mint = kb_extract_string_by_candidate_keys(
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parsed_json.as_ref(),
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&["quoteMint", "tokenBMint", "mintB", "token1Mint", "mint1"],
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)
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.or_else(|| kb_extract_account(&accounts, 2));
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let config_account = kb_extract_string_by_candidate_keys(
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parsed_json.as_ref(),
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&["poolConfig", "config", "dbcConfig", "curveConfig"],
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)
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.or_else(|| kb_extract_account(&accounts, 3));
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let creator = kb_extract_string_by_candidate_keys(
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parsed_json.as_ref(),
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&["creator", "poolCreator", "owner", "user"],
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)
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.or_else(|| kb_extract_account(&accounts, 4));
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if is_create_pool {
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let payload_json = serde_json::json!({
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"decoder": "meteora_dbc",
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"eventKind": "create_pool",
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"signature": transaction.signature,
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"instructionId": instruction_id,
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"instructionIndex": instruction.instruction_index,
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"accounts": accounts,
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"parsed": parsed_json,
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"logMessages": log_messages,
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"poolAccount": pool_account,
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"tokenAMint": token_a_mint,
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"tokenBMint": token_b_mint,
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"configAccount": config_account,
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"creator": creator
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});
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decoded_events.push(crate::KbMeteoraDbcDecodedEvent::CreatePool(
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crate::KbMeteoraDbcCreatePoolDecoded {
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transaction_id,
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instruction_id,
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signature: transaction.signature.clone(),
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program_id: program_id.clone(),
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pool_account,
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token_a_mint,
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token_b_mint,
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config_account,
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creator,
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payload_json,
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},
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));
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continue;
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}
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if is_swap {
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let trade_side = kb_infer_trade_side(&log_messages);
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let payload_json = serde_json::json!({
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"decoder": "meteora_dbc",
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"eventKind": "swap",
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"signature": transaction.signature,
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"instructionId": instruction_id,
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"instructionIndex": instruction.instruction_index,
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"accounts": accounts,
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"parsed": parsed_json,
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"logMessages": log_messages,
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"poolAccount": pool_account,
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"tokenAMint": token_a_mint,
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"tokenBMint": token_b_mint,
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"tradeSide": format!("{:?}", trade_side)
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});
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decoded_events.push(crate::KbMeteoraDbcDecodedEvent::Swap(
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crate::KbMeteoraDbcSwapDecoded {
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transaction_id,
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instruction_id,
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signature: transaction.signature.clone(),
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program_id: program_id.clone(),
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trade_side,
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pool_account,
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token_a_mint,
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token_b_mint,
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payload_json,
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},
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));
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}
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}
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Ok(decoded_events)
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}
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}
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fn kb_extract_log_messages(
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transaction_json: &serde_json::Value,
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) -> std::vec::Vec<std::string::String> {
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let mut messages = std::vec::Vec::new();
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let meta_option = transaction_json.get("meta");
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let meta = match meta_option {
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Some(meta) => meta,
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None => return messages,
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};
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let logs_option = meta.get("logMessages");
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let logs = match logs_option {
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Some(logs) => logs,
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None => return messages,
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};
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let logs_array_option = logs.as_array();
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let logs_array = match logs_array_option {
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Some(logs_array) => logs_array,
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None => return messages,
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};
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for value in logs_array {
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let text_option = value.as_str();
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if let Some(text) = text_option {
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messages.push(text.to_string());
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}
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}
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messages
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}
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fn kb_log_messages_contain_any_keyword(
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log_messages: &[std::string::String],
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keywords: &[&str],
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) -> bool {
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for keyword in keywords {
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if kb_log_messages_contain_keyword(log_messages, keyword) {
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return true;
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}
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}
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false
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}
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fn kb_log_messages_contain_keyword(log_messages: &[std::string::String], keyword: &str) -> bool {
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let keyword_normalized = kb_normalize_log_text(keyword);
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for log_message in log_messages {
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let log_normalized = kb_normalize_log_text(log_message.as_str());
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if log_normalized.contains(keyword_normalized.as_str()) {
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return true;
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}
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}
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false
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}
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fn kb_normalize_log_text(value: &str) -> std::string::String {
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let mut normalized = std::string::String::new();
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for character in value.chars() {
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if character.is_ascii_alphanumeric() {
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normalized.push(character.to_ascii_lowercase());
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}
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}
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normalized
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}
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fn kb_parse_accounts_json(
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accounts_json: &str,
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) -> Result<std::vec::Vec<std::string::String>, crate::KbError> {
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let values_result = serde_json::from_str::<std::vec::Vec<serde_json::Value>>(accounts_json);
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let values = match values_result {
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Ok(values) => values,
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Err(error) => {
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return Err(crate::KbError::Json(format!(
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"cannot parse instruction accounts_json '{}': {}",
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accounts_json, error
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)));
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}
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};
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let mut accounts = std::vec::Vec::new();
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for value in values {
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let text_option = value.as_str();
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if let Some(text) = text_option {
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accounts.push(text.to_string());
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}
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}
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Ok(accounts)
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}
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fn kb_parse_optional_parsed_json(
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parsed_json: std::option::Option<&std::string::String>,
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) -> Result<std::option::Option<serde_json::Value>, crate::KbError> {
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let parsed_json = match parsed_json {
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Some(parsed_json) => parsed_json,
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None => return Ok(None),
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};
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let value_result = serde_json::from_str::<serde_json::Value>(parsed_json.as_str());
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match value_result {
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Ok(value) => Ok(Some(value)),
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Err(error) => Err(crate::KbError::Json(format!(
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"cannot parse instruction parsed_json '{}': {}",
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parsed_json, error
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))),
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}
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}
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fn kb_extract_string_by_candidate_keys(
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value: std::option::Option<&serde_json::Value>,
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candidate_keys: &[&str],
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) -> std::option::Option<std::string::String> {
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let value = match value {
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Some(value) => value,
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None => return None,
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};
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kb_extract_string_by_candidate_keys_inner(value, candidate_keys)
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}
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fn kb_extract_string_by_candidate_keys_inner(
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value: &serde_json::Value,
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candidate_keys: &[&str],
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) -> std::option::Option<std::string::String> {
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if let Some(object) = value.as_object() {
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for candidate_key in candidate_keys {
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let direct_option = object.get(*candidate_key);
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if let Some(direct) = direct_option {
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let direct_text_option = direct.as_str();
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if let Some(direct_text) = direct_text_option {
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return Some(direct_text.to_string());
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}
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}
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}
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for nested_value in object.values() {
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let nested_result =
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kb_extract_string_by_candidate_keys_inner(nested_value, candidate_keys);
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if nested_result.is_some() {
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return nested_result;
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}
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}
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return None;
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}
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if let Some(array) = value.as_array() {
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for nested_value in array {
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let nested_result =
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kb_extract_string_by_candidate_keys_inner(nested_value, candidate_keys);
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if nested_result.is_some() {
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return nested_result;
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}
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}
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}
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None
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}
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fn kb_value_contains_any_key(
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value: std::option::Option<&serde_json::Value>,
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candidate_keys: &[&str],
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) -> bool {
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let value = match value {
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Some(value) => value,
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None => return false,
|
||||
};
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kb_value_contains_any_key_inner(value, candidate_keys)
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}
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fn kb_value_contains_any_key_inner(value: &serde_json::Value, candidate_keys: &[&str]) -> bool {
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if let Some(object) = value.as_object() {
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for candidate_key in candidate_keys {
|
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if object.contains_key(*candidate_key) {
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return true;
|
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}
|
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}
|
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for nested_value in object.values() {
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if kb_value_contains_any_key_inner(nested_value, candidate_keys) {
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return true;
|
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}
|
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}
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return false;
|
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}
|
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if let Some(array) = value.as_array() {
|
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for nested_value in array {
|
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if kb_value_contains_any_key_inner(nested_value, candidate_keys) {
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return true;
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}
|
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}
|
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}
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false
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}
|
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fn kb_extract_account(
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accounts: &[std::string::String],
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index: usize,
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) -> std::option::Option<std::string::String> {
|
||||
if index >= accounts.len() {
|
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return None;
|
||||
}
|
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Some(accounts[index].clone())
|
||||
}
|
||||
|
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fn kb_infer_trade_side(log_messages: &[std::string::String]) -> crate::KbSwapTradeSide {
|
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if kb_log_messages_contain_keyword(log_messages, "buy") {
|
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return crate::KbSwapTradeSide::BuyBase;
|
||||
}
|
||||
if kb_log_messages_contain_keyword(log_messages, "sell") {
|
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return crate::KbSwapTradeSide::SellBase;
|
||||
}
|
||||
crate::KbSwapTradeSide::Unknown
|
||||
}
|
||||
|
||||
#[cfg(test)]
|
||||
mod tests {
|
||||
fn make_create_transaction() -> crate::KbChainTransactionDto {
|
||||
let mut dto = crate::KbChainTransactionDto::new(
|
||||
"sig-meteora-dbc-create-1".to_string(),
|
||||
Some(888001),
|
||||
Some(1779300001),
|
||||
Some("helius_primary_http".to_string()),
|
||||
Some("0".to_string()),
|
||||
None,
|
||||
None,
|
||||
serde_json::json!({
|
||||
"slot": 888001,
|
||||
"meta": {
|
||||
"logMessages": [
|
||||
"Program log: Instruction: CreatePool"
|
||||
]
|
||||
},
|
||||
"transaction": {
|
||||
"message": {
|
||||
"instructions": []
|
||||
}
|
||||
}
|
||||
})
|
||||
.to_string(),
|
||||
);
|
||||
dto.id = Some(301);
|
||||
dto
|
||||
}
|
||||
|
||||
fn make_create_instruction() -> crate::KbChainInstructionDto {
|
||||
let mut dto = crate::KbChainInstructionDto::new(
|
||||
301,
|
||||
None,
|
||||
0,
|
||||
None,
|
||||
Some(crate::KB_METEORA_DBC_PROGRAM_ID.to_string()),
|
||||
Some("meteora-dbc".to_string()),
|
||||
Some(1),
|
||||
serde_json::json!([
|
||||
"DbcPool111",
|
||||
"DbcTokenA111",
|
||||
"So11111111111111111111111111111111111111112",
|
||||
"DbcConfig111",
|
||||
"DbcCreator111"
|
||||
])
|
||||
.to_string(),
|
||||
None,
|
||||
None,
|
||||
Some(
|
||||
serde_json::json!({
|
||||
"info": {
|
||||
"pool": "DbcPool111",
|
||||
"baseMint": "DbcTokenA111",
|
||||
"quoteMint": "So11111111111111111111111111111111111111112",
|
||||
"poolConfig": "DbcConfig111",
|
||||
"creator": "DbcCreator111"
|
||||
}
|
||||
})
|
||||
.to_string(),
|
||||
),
|
||||
);
|
||||
dto.id = Some(302);
|
||||
dto
|
||||
}
|
||||
|
||||
fn make_swap_transaction() -> crate::KbChainTransactionDto {
|
||||
let mut dto = crate::KbChainTransactionDto::new(
|
||||
"sig-meteora-dbc-swap-1".to_string(),
|
||||
Some(888002),
|
||||
Some(1779300002),
|
||||
Some("helius_primary_http".to_string()),
|
||||
Some("0".to_string()),
|
||||
None,
|
||||
None,
|
||||
serde_json::json!({
|
||||
"slot": 888002,
|
||||
"meta": {
|
||||
"logMessages": [
|
||||
"Program log: Instruction: Swap2"
|
||||
]
|
||||
},
|
||||
"transaction": {
|
||||
"message": {
|
||||
"instructions": []
|
||||
}
|
||||
}
|
||||
})
|
||||
.to_string(),
|
||||
);
|
||||
dto.id = Some(303);
|
||||
dto
|
||||
}
|
||||
|
||||
fn make_swap_instruction() -> crate::KbChainInstructionDto {
|
||||
let mut dto = crate::KbChainInstructionDto::new(
|
||||
303,
|
||||
None,
|
||||
0,
|
||||
None,
|
||||
Some(crate::KB_METEORA_DBC_PROGRAM_ID.to_string()),
|
||||
Some("meteora-dbc".to_string()),
|
||||
Some(1),
|
||||
serde_json::json!([
|
||||
"DbcPoolSwap111",
|
||||
"DbcSwapTokenA111",
|
||||
"So11111111111111111111111111111111111111112"
|
||||
])
|
||||
.to_string(),
|
||||
None,
|
||||
None,
|
||||
Some(
|
||||
serde_json::json!({
|
||||
"info": {
|
||||
"pool": "DbcPoolSwap111",
|
||||
"baseMint": "DbcSwapTokenA111",
|
||||
"quoteMint": "So11111111111111111111111111111111111111112"
|
||||
}
|
||||
})
|
||||
.to_string(),
|
||||
),
|
||||
);
|
||||
dto.id = Some(304);
|
||||
dto
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn meteora_dbc_create_pool_is_detected() {
|
||||
let decoder = crate::KbMeteoraDbcDecoder::new();
|
||||
let transaction = make_create_transaction();
|
||||
let instructions = vec![make_create_instruction()];
|
||||
let decoded_result = decoder.decode_transaction(&transaction, &instructions);
|
||||
let decoded = match decoded_result {
|
||||
Ok(decoded) => decoded,
|
||||
Err(error) => panic!("decode must succeed: {}", error),
|
||||
};
|
||||
assert_eq!(decoded.len(), 1);
|
||||
match &decoded[0] {
|
||||
crate::KbMeteoraDbcDecodedEvent::CreatePool(event) => {
|
||||
assert_eq!(event.transaction_id, 301);
|
||||
assert_eq!(event.instruction_id, 302);
|
||||
assert_eq!(event.pool_account, Some("DbcPool111".to_string()));
|
||||
assert_eq!(event.token_a_mint, Some("DbcTokenA111".to_string()));
|
||||
assert_eq!(
|
||||
event.token_b_mint,
|
||||
Some("So11111111111111111111111111111111111111112".to_string())
|
||||
);
|
||||
assert_eq!(event.config_account, Some("DbcConfig111".to_string()));
|
||||
}
|
||||
crate::KbMeteoraDbcDecodedEvent::Swap(_) => {
|
||||
panic!("unexpected swap event")
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn meteora_dbc_swap_is_detected() {
|
||||
let decoder = crate::KbMeteoraDbcDecoder::new();
|
||||
let transaction = make_swap_transaction();
|
||||
let instructions = vec![make_swap_instruction()];
|
||||
let decoded_result = decoder.decode_transaction(&transaction, &instructions);
|
||||
let decoded = match decoded_result {
|
||||
Ok(decoded) => decoded,
|
||||
Err(error) => panic!("decode must succeed: {}", error),
|
||||
};
|
||||
assert_eq!(decoded.len(), 1);
|
||||
match &decoded[0] {
|
||||
crate::KbMeteoraDbcDecodedEvent::Swap(event) => {
|
||||
assert_eq!(event.transaction_id, 303);
|
||||
assert_eq!(event.instruction_id, 304);
|
||||
assert_eq!(event.pool_account, Some("DbcPoolSwap111".to_string()));
|
||||
assert_eq!(event.token_a_mint, Some("DbcSwapTokenA111".to_string()));
|
||||
assert_eq!(
|
||||
event.token_b_mint,
|
||||
Some("So11111111111111111111111111111111111111112".to_string())
|
||||
);
|
||||
}
|
||||
crate::KbMeteoraDbcDecodedEvent::CreatePool(_) => {
|
||||
panic!("unexpected create event")
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user