{"action":"created","issue":{"url":"https://api.github.com/repos/stellar/stellar-core/issues/560","labels_url":"https://api.github.com/repos/stellar/stellar-core/issues/560/labels{/name}","comments_url":"https://api.github.com/repos/stellar/stellar-core/issues/560/comments","events_url":"https://api.github.com/repos/stellar/stellar-core/issues/560/events","html_url":"https://github.com/stellar/stellar-core/pull/560","id":91395944,"number":560,"title":"Extension points and upgrade","user":{"login":"MonsieurNicolas","id":4213763,"avatar_url":"https://avatars.githubusercontent.com/u/4213763?v=3","gravatar_id":"","url":"https://api.github.com/users/MonsieurNicolas","html_url":"https://github.com/MonsieurNicolas","followers_url":"https://api.github.com/users/MonsieurNicolas/followers","following_url":"https://api.github.com/users/MonsieurNicolas/following{/other_user}","gists_url":"https://api.github.com/users/MonsieurNicolas/gists{/gist_id}","starred_url":"https://api.github.com/users/MonsieurNicolas/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/MonsieurNicolas/subscriptions","organizations_url":"https://api.github.com/users/MonsieurNicolas/orgs","repos_url":"https://api.github.com/users/MonsieurNicolas/repos","events_url":"https://api.github.com/users/MonsieurNicolas/events{/privacy}","received_events_url":"https://api.github.com/users/MonsieurNicolas/received_events","type":"User","site_admin":false},"labels":[],"state":"closed","locked":false,"assignee":null,"milestone":null,"comments":2,"created_at":"2015-06-27T01:07:16Z","updated_at":"2015-07-09T19:42:39Z","closed_at":"2015-06-27T04:10:00Z","pull_request":{"url":"https://api.github.com/repos/stellar/stellar-core/pulls/560","html_url":"https://github.com/stellar/stellar-core/pull/560","diff_url":"https://github.com/stellar/stellar-core/pull/560.diff","patch_url":"https://github.com/stellar/stellar-core/pull/560.patch"},"body":"Future proofing of ledger structures - resolves #499 \r\n\r\nupdates to the way we make changes to the ledger header: use \"upgrades\" that are steps decided during consensus. Implemented upgrade steps for updating the base fee and for updating the protocol version (this last one still needs some work to be really useful - right now the behavior is basically going to force nodes to move to the version as an older version is considered \"invalid\")."},"comment":{"url":"https://api.github.com/repos/stellar/stellar-core/issues/comments/120123116","html_url":"https://github.com/stellar/stellar-core/pull/560#issuecomment-120123116","issue_url":"https://api.github.com/repos/stellar/stellar-core/issues/560","id":120123116,"user":{"login":"MonsieurNicolas","id":4213763,"avatar_url":"https://avatars.githubusercontent.com/u/4213763?v=3","gravatar_id":"","url":"https://api.github.com/users/MonsieurNicolas","html_url":"https://github.com/MonsieurNicolas","followers_url":"https://api.github.com/users/MonsieurNicolas/followers","following_url":"https://api.github.com/users/MonsieurNicolas/following{/other_user}","gists_url":"https://api.github.com/users/MonsieurNicolas/gists{/gist_id}","starred_url":"https://api.github.com/users/MonsieurNicolas/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/MonsieurNicolas/subscriptions","organizations_url":"https://api.github.com/users/MonsieurNicolas/orgs","repos_url":"https://api.github.com/users/MonsieurNicolas/repos","events_url":"https://api.github.com/users/MonsieurNicolas/events{/privacy}","received_events_url":"https://api.github.com/users/MonsieurNicolas/received_events","type":"User","site_admin":false},"created_at":"2015-07-09T19:42:39Z","updated_at":"2015-07-09T19:42:39Z","body":"Thanks\n\nif you see something out of whack we still have some time to make changes\nso please do not hesitate to shout.\n\n\n\nOn Thu, Jul 9, 2015 at 2:08 AM, Cheng Kuan <notifications@github.com> wrote:\n\n> nice design of extension point.\n> I saw many similar structures in ITU standards (in form of CSN.1 or ASN.1).\n>\n> —\n> Reply to this email directly or view it on GitHub\n> <https://github.com/stellar/stellar-core/pull/560#issuecomment-119881992>.\n>\n"}}