34 lines
1.2 KiB
Rust
34 lines
1.2 KiB
Rust
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//! Defines a trait for blocking (synchronous) communication with a Solana server.
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//! Implementations are expected to create tranasctions, sign them, and send
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//! them with multiple retries, updating blockhashes and resigning as-needed.
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use crate::instruction::Instruction;
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use crate::message::Message;
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use crate::pubkey::Pubkey;
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use crate::signature::Keypair;
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use crate::transaction::TransactionError;
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pub trait SyncClient {
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/// Create a transaction from the given message, and send it to the
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/// server, retrying as-needed.
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fn send_message(&self, keypairs: &[&Keypair], message: Message)
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-> Result<(), TransactionError>;
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/// Create a transaction from a single instruction that only requires
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/// a single signer. Then send it to the server, retrying as-needed.
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fn send_instruction(
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&self,
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keypair: &Keypair,
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instruction: Instruction,
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) -> Result<(), TransactionError>;
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/// Transfer lamports from `keypair` to `pubkey`, retrying until the
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/// transfer completes or produces and error.
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fn transfer(
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&self,
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lamports: u64,
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keypair: &Keypair,
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pubkey: &Pubkey,
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) -> Result<(), TransactionError>;
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}
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