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authorElad <theman@elad.im>2019-03-20 16:33:24 +0800
committerViktor TrĂ³n <viktor.tron@gmail.com>2019-03-20 16:33:24 +0800
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contracts, swarm: implement EIP-1577 (#19285)
* contracts/ens: update public resolver solidity code * contracts/ens: update public resolver, update go bindings * update build * fix ens.sol * contracts/ens: change contract interface * contracts/ens: implement public resolver changes * contracts/ens: added ENSRegistry contract * contracts/ens: reinstate old contract code * contracts/ens: update README.md * contracts/ens: added test coverage for fallback contract * contracts/ens: added support for fallback contract * contracts/ens: removed unused contract code * contracts/ens: add todo and decode multicodec stub * add encode * vendor: add ipfs cid libraries * contracts/ens: cid sanity tests * contracts/ens: more cid sanity checks * contracts/ens: wip integration * wip * Revert "vendor: add ipfs cid libraries" This reverts commit 29d9b6b294ded903a1065d96c8149119713cfd12. * contracts/ens: removed multiformats dependencies * contracts/ens: added decode tests * contracts/ens: added eip spec test, minor changes to exiting tests * contracts/ens: moved cid decoding to own file * contracts/ens: added unit test to encode hash to content hash * contracts/ens: removed unused code * contracts/ens: fix ens tests to use cid decode and encode * contracts/ens: adjust swarm multicodecs after pr merge * contracts/ens: fix linter error * constracts/ens: address PR comments * cmd, contracts: make peoples lives easier * contracts/ens: fix linter error * contracts/ens: address PR comments
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diff --git a/contracts/ens/README.md b/contracts/ens/README.md
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--- a/contracts/ens/README.md
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@@ -18,3 +18,13 @@ The go bindings for ENS contracts are generated using `abigen` via the go genera
```shell
go generate ./contracts/ens
```
+
+## Fallback contract support
+
+In order to better support content resolution on different service providers (such as Swarm and IPFS), [EIP-1577](https://eips.ethereum.org/EIPS/eip-1577)
+was introduced and with it changes that allow applications to know _where_ content hashes are stored (i.e. if the
+requested hash resides on Swarm or IPFS).
+
+The code under `contracts/ens/contract` reflects the new Public Resolver changes and the code under `fallback_contract` allows
+us to support the old contract resolution in cases where the ENS name owner did not update her Resolver contract, until the migration
+period ends (date arbitrarily set to June 1st, 2019).