{"action":"created","comment":{"url":"https://api.github.com/repos/NebulousLabs/Sia/pulls/comments/47834050","id":47834050,"diff_hunk":"@@ -150,6 +151,21 @@ func (f *file) chunkHosts(chunk uint64) []modules.NetAddress {\n \treturn old\n }\n \n+// expiringContracts returns the contracts that will expire soon.\n+// TODO: what if contract has fully expired?\n+func (f *file) expiringContracts(height types.BlockHeight) []fileContract {\n+\tf.mu.RLock()\n+\tdefer f.mu.RUnlock()\n+\n+\tvar expiring []fileContract\n+\tfor _, fc := range f.contracts {\n+\t\tif height > fc.WindowStart-renewThreshold {","path":"modules/renter/repair.go","position":26,"original_position":26,"commit_id":"7d97a5a45ce9f0243c63ed4f7657c31ddd53c0c5","original_commit_id":"7d97a5a45ce9f0243c63ed4f7657c31ddd53c0c5","user":{"login":"lukechampine","id":3344749,"avatar_url":"https://avatars.githubusercontent.com/u/3344749?v=3","gravatar_id":"","url":"https://api.github.com/users/lukechampine","html_url":"https://github.com/lukechampine","followers_url":"https://api.github.com/users/lukechampine/followers","following_url":"https://api.github.com/users/lukechampine/following{/other_user}","gists_url":"https://api.github.com/users/lukechampine/gists{/gist_id}","starred_url":"https://api.github.com/users/lukechampine/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/lukechampine/subscriptions","organizations_url":"https://api.github.com/users/lukechampine/orgs","repos_url":"https://api.github.com/users/lukechampine/repos","events_url":"https://api.github.com/users/lukechampine/events{/privacy}","received_events_url":"https://api.github.com/users/lukechampine/received_events","type":"User","site_admin":false},"body":"I figure that will be a separate function, `f.offlineHosts`. Right now the hostdb does not do any uptime checking.","created_at":"2015-12-16T21:09:40Z","updated_at":"2015-12-16T21:09:40Z","html_url":"https://github.com/NebulousLabs/Sia/pull/872#discussion_r47834050","pull_request_url":"https://api.github.com/repos/NebulousLabs/Sia/pulls/872","_links":{"self":{"href":"https://api.github.com/repos/NebulousLabs/Sia/pulls/comments/47834050"},"html":{"href":"https://github.com/NebulousLabs/Sia/pull/872#discussion_r47834050"},"pull_request":{"href":"https://api.github.com/repos/NebulousLabs/Sia/pulls/872"}}},"pull_request":{"url":"https://api.github.com/repos/NebulousLabs/Sia/pulls/872","id":53622904,"html_url":"https://github.com/NebulousLabs/Sia/pull/872","diff_url":"https://github.com/NebulousLabs/Sia/pull/872.diff","patch_url":"https://github.com/NebulousLabs/Sia/pull/872.patch","issue_url":"https://api.github.com/repos/NebulousLabs/Sia/issues/872","number":872,"state":"open","locked":false,"title":"Implement Renew RPC and add renew logic","user":{"login":"lukechampine","id":3344749,"avatar_url":"https://avatars.githubusercontent.com/u/3344749?v=3","gravatar_id":"","url":"https://api.github.com/users/lukechampine","html_url":"https://github.com/lukechampine","followers_url":"https://api.github.com/users/lukechampine/followers","following_url":"https://api.github.com/users/lukechampine/following{/other_user}","gists_url":"https://api.github.com/users/lukechampine/gists{/gist_id}","starred_url":"https://api.github.com/users/lukechampine/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/lukechampine/subscriptions","organizations_url":"https://api.github.com/users/lukechampine/orgs","repos_url":"https://api.github.com/users/lukechampine/repos","events_url":"https://api.github.com/users/lukechampine/events{/privacy}","received_events_url":"https://api.github.com/users/lukechampine/received_events","type":"User","site_admin":false},"body":"`RPCRenew` is a new host RPC that allows a renter to renew a contract without reuploading. The renter now makes use of this RPC to renew files that are within 2000 blocks of expiring.\r\n\r\nThe `negotiateContract` functions for both the host and renter have been refactored so that they can be used for renewing as well as the initial negotiation process. It's not a perfect fit, but it saves a lot of duplicated code. This may not be possible if the `RPCRenew` protocol is changed in the 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