D6372.diff
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	diff --git a/lib/components/ens-cache-provider.react.js b/lib/components/ens-cache-provider.react.js
	new file mode 100644
	--- /dev/null
	+++ b/lib/components/ens-cache-provider.react.js
	@@ -0,0 +1,35 @@
	+// @flow
	+
	+import * as React from 'react';
	+
	+import { ENSCache, type EthersProvider } from '../utils/ens-cache';
	+
	+type ENSCacheContextType = {
	+ +ensCache: ?ENSCache,
	+};
	+const ENSCacheContext: React.Context<ENSCacheContextType> = React.createContext<ENSCacheContextType>(
	+ {
	+ ensCache: undefined,
	+ },
	+);
	+
	+type Props = {
	+ +provider: EthersProvider,
	+ +children: React.Node,
	+};
	+function ENSCacheProvider(props: Props): React.Node {
	+ const { provider, children } = props;
	+ const context = React.useMemo(
	+ () => ({
	+ ensCache: new ENSCache(provider),
	+ }),
	+ [provider],
	+ );
	+ return (
	+ <ENSCacheContext.Provider value={context}>
	+ {children}
	+ </ENSCacheContext.Provider>
	+ );
	+}
	+
	+export { ENSCacheContext, ENSCacheProvider };
	diff --git a/lib/utils/ens-cache.js b/lib/utils/ens-cache.js
	--- a/lib/utils/ens-cache.js
	+++ b/lib/utils/ens-cache.js
	@@ -4,7 +4,7 @@

	const cacheTimeout = 24 * 60 * 60 * 1000; // one day

	-type EthersProvider = {
	+export type EthersProvider = {
	+lookupAddress: (address: string) => Promise<?string>,
	+resolveName: (name: string) => Promise<?string>,
	...