bench 268: minimal RPC profile (150 draws a day, no sandwich screen, fail-rate blocks per chain) - #2536
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…ghbour screen, no neighbourhood read when the exact mid is known), FAIL_SCAN_BLOCKS per chain, NATIVE_POLL_EVERY ticks; production moves to 150 draws a day per row, no sandwich, fail-rate blocks bnb 3 / base 2 / ethereum 1 / robinhood 0, EVM logs every 3 ticks: about 27,000 calls a day instead of 146,000 Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01L4rjxemTvgRwrCG6D2iK5D
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The bench made about 146,000 RPC calls a day (4.4 M a month): 29,000 Solana reads on Helius's free tier (0.9 of 1 M credits), 31,000 on Alchemy's free BNB app (18 M of 30 M CU), 44,000 on QuickNode for Robinhood Chain (about 27 M credits). Most of it was comfort: 400 swaps a day per Solana terminal against a publication threshold of 50, 1,000 per EVM row against a chain floor of 25, a sandwich screen nobody sees in the table, and 27,000 blocks a day read in full for the EVM fail rate.
Three knobs, all environment:
SANDWICH=0turns the screen off and skips the pool neighbourhood read when the exact mid is known;FAIL_SCAN_BLOCKSsets the blocks read in full per chain (0 = no fail rate on that chain's event-fed rows; Binance's rows keep a few, the block sample is their feed);NATIVE_POLL_EVERYpolls the EVM logs every N ticks. Production goes to 150 draws a day per row, no sandwich, bnb 3 / base 2 / ethereum 1 / robinhood 0 blocks, logs every 3 ticks: about 27,000 calls a day, 0.8 M a month, inside every free tier with a wide margin.What changes on the site: nothing systematic on the medians (the draw is random, only the interval widens, about 1.6x); the Failed swaps column is blank on the EVM rows of GMGN, Axiom and BasedBot (Solana's stays exhaustive through the WebSocket, Binance's keeps its block sample); no sandwich screen in the JSON.
Deploy: harness (recipe defaults updated).
🤖 Generated with Claude Code
https://claude.ai/code/session_01L4rjxemTvgRwrCG6D2iK5D