2016-09-08 21:13:10 +04:00
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(**************************************************************************)
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(* *)
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(* Copyright (c) 2014 - 2016. *)
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(* Dynamic Ledger Solutions, Inc. <contact@tezos.com> *)
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(* *)
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(* All rights reserved. No warranty, explicit or implicit, provided. *)
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(* *)
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(**************************************************************************)
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let version_key = ["version"]
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(* This key should always be populated for every version of the
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protocol. It's absence meaning that the context is empty. *)
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let version_value = "genesis"
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(* This is the genesis protocol: initialise the state *)
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let initialize (ctxt:Context.t) =
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Context.set ctxt version_key (MBytes.of_string version_value) >>= fun ctxt ->
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Storage.prepare ctxt >>=? fun store ->
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Storage.get_genesis_time store >>= fun time ->
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Storage.Current_timestamp.init_set store time >>=? fun store ->
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Fitness_storage.init store >>=? fun store ->
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Level_storage.init store >>=? fun store ->
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Roll_storage.init store >>=? fun store ->
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Seed_storage.init store >>=? fun store ->
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Contract_storage.init store >>=? fun store ->
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Reward_storage.init store >>=? fun store ->
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Bootstrap_storage.init store >>=? fun store ->
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2016-10-26 19:02:10 +04:00
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Roll_storage.freeze_rolls_for_cycle
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2016-09-08 21:13:10 +04:00
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store Cycle_repr.root >>=? fun store ->
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2016-10-26 19:02:10 +04:00
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Roll_storage.freeze_rolls_for_cycle
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2016-09-08 21:13:10 +04:00
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store Cycle_repr.(succ root) >>=? fun store ->
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Vote_storage.init store >>=? fun store ->
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return store
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type error +=
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| Incompatiple_protocol_version
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| Unimplemented_sandbox_migration
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let may_initialize ctxt =
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Context.get ctxt version_key >>= function
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| None ->
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(* This is the genesis protocol: The only acceptable preceding
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version is an empty context *)
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initialize ctxt
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| Some bytes ->
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let s = MBytes.to_string bytes in
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if Compare.String.(s = version_value)
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then Storage.prepare ctxt
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else fail Incompatiple_protocol_version
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let configure_sandbox ctxt json =
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let json =
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match json with
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| None -> `O []
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| Some json -> json in
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Context.get ctxt version_key >>= function
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| None ->
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Storage.set_sandboxed ctxt json >>= fun ctxt ->
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initialize ctxt >>=? fun ctxt ->
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return (Storage.recover ctxt)
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| Some _ ->
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Storage.get_sandboxed ctxt >>=? function
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| None ->
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fail Unimplemented_sandbox_migration
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| Some _ ->
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(* FIXME GRGR fail if parameter changed! *)
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(* failwith "Changing sandbox parameter is not yet implemented" *)
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return ctxt
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