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ERC-3668 CCIP Read—Secure offchain data retrieval

FinalERCcreated 2020-07-193 later proposals build on it

CCIP Read provides a mechanism to allow a contract to fetch external data.

Author: Nick Johnson (@arachnid)

Functions this standard introduces (2)

0x2de737d8a(bytes)view
0xddda3efdaCallback(bytes,bytes)view

Custom errors (2)

0x398d4d32InvalidOperation()
0x556f1830OffchainLookup(address,string[],bytes,bytes4,bytes)

Built on by (3)

Later proposals that name this one in their requires field.

What the specification covers

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