sablier-network-program 1.2.1

Sablier networking protocol
Documentation 
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use {
    crate::{constants::*, state::*},
    anchor_lang::prelude::*,
};

#[derive(Accounts)]
#[instruction(amount: u64)]
pub struct DelegationClaim<'info> {
    pub authority: Signer<'info>,

    #[account(mut)]
    pub pay_to: SystemAccount<'info>,

    #[account(
        mut,
        seeds = [
            SEED_DELEGATION,
            delegation.worker.as_ref(),
            delegation.id.to_be_bytes().as_ref(),
        ],
        bump,
        has_one = authority,
    )]
    pub delegation: Account<'info, Delegation>,
}

pub fn handler(ctx: Context<DelegationClaim>, amount: u64) -> Result<()> {
    // Get accounts.
    let pay_to = &mut ctx.accounts.pay_to;
    let delegation = &mut ctx.accounts.delegation;

    // Decrement the delegation's claimable balance.
    delegation.yield_balance -= amount;

    // Transfer commission to the worker.
    delegation.sub_lamports(amount)?;
    pay_to.add_lamports(amount)?;

    Ok(())
}