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[JIT-607] Only count non-zero tip amounts when determining if mev claimer has enough SOL #218

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merged 1 commit into from
Dec 16, 2022
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[JIT-607] Only count non-zero tip amounts when determining if mev claimer has enough SOL #218

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3 changes: 2 additions & 1 deletion tip-distributor/src/claim_mev_workflow.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -62,7 +62,8 @@ pub fn claim_mev_tips(
let start_balance = rpc_client.get_balance(&keypair.pubkey()).await.expect("failed to get balance");
// heuristic to make sure we have enough funds to cover the rent costs if epoch has many validators
{
let node_count = merkle_trees.generated_merkle_trees.iter().flat_map(|tree| &tree.tree_nodes).count();
// most amounts are for 0 lamports. had 1736 non-zero claims out of 164742
let node_count = merkle_trees.generated_merkle_trees.iter().flat_map(|tree| &tree.tree_nodes).filter(|node| node.amount > 0).count();
let min_rent_per_claim = rpc_client.get_minimum_balance_for_rent_exemption(ClaimStatus::SIZE).await.expect("Failed to calculate min rent");
let desired_balance = node_count as u64 * (min_rent_per_claim + DEFAULT_TARGET_LAMPORTS_PER_SIGNATURE);
if start_balance < desired_balance {
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