Get historical Blockchain & Market Data within Ethereum
summary
Outlines three concrete integration patterns for pulling historical blockchain and market data into Ethereum smart contracts, including an implemented price reference contracts pattern that aggregates ticks from multiple exchanges and a direct-call approach using Amberdata APIs via Chainlink oracles. Shows expected data shapes, gas and latency tradeoffs, and links to developer docs and Discord for the exact endpoints and request formats so developers can reproduce the setups.
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