Source file patch_context.ml

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(* Copyright (c) 2018 Dynamic Ledger Solutions, Inc. <contact@tezos.com>     *)
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let patch_context (genesis : Genesis.t) key_json ctxt =
  let open Lwt_result_syntax in
  let*! ctxt =
    match key_json with
    | None -> Lwt.return ctxt
    | Some (key, json) ->
        Context_ops.add
          ctxt
          [key]
          (Data_encoding.Binary.to_bytes_exn Data_encoding.json json)
  in
  let* proto = Registered_protocol.get_result genesis.protocol in
  let module Proto = (val proto) in
  let* {context; _} =
    Proto.init
      (Chain_id.of_block_hash genesis.block)
      ctxt
      {
        level = 0l;
        proto_level = 0;
        predecessor = genesis.block;
        timestamp = genesis.time;
        validation_passes = 0;
        operations_hash = Operation_list_list_hash.empty;
        fitness = [];
        context = Context_hash.zero;
      }
  in
  return context