Update and fix transaction error documentation (#7998)
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@ -14,17 +14,18 @@ use thiserror::Error;
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/// Reasons a transaction might be rejected.
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#[derive(Error, Serialize, Deserialize, Debug, PartialEq, Eq, Clone)]
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pub enum TransactionError {
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/// This Pubkey is being processed in another transaction
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/// An account is already being processed in another transaction in a way
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/// that does not support parallelism
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AccountInUse,
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/// Pubkey appears twice in the same transaction, typically in a pay-to-self
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/// transaction.
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/// A `Pubkey` appears twice in the transaction's `account_keys`. Instructions can reference
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/// `Pubkey`s more than once but the message must contain a list with no duplicate keys
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AccountLoadedTwice,
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/// Attempt to debit from `Pubkey`, but no found no record of a prior credit.
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/// Attempt to debit an account but found no record of a prior credit.
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AccountNotFound,
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/// Attempt to load program from `Pubkey`, but it doesn't exist.
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/// Attempt to load a program that does not exist
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ProgramAccountNotFound,
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/// The from `Pubkey` does not have sufficient balance to pay the fee to schedule the transaction
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@ -33,7 +34,7 @@ pub enum TransactionError {
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/// This account may not be used to pay transaction fees
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InvalidAccountForFee,
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/// The bank has seen `Signature` before. This can occur under normal operation
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/// The bank has seen this `Signature` before. This can occur under normal operation
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/// when a UDP packet is duplicated, as a user error from a client not updating
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/// its `recent_blockhash`, or as a double-spend attack.
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DuplicateSignature,
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@ -42,13 +43,14 @@ pub enum TransactionError {
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/// the `recent_blockhash` has been discarded.
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BlockhashNotFound,
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/// The program returned an error
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/// An error occurred while processing an instruction. The first element of the tuple
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/// indicates the instruction index in which the error occurred.
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InstructionError(u8, InstructionError),
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/// Loader call chain too deep
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/// Loader call chain is too deep
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CallChainTooDeep,
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/// Transaction has a fee but has no signature present
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/// Transaction requires a fee but has no signature present
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MissingSignatureForFee,
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/// Transaction contains an invalid account reference
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