PROCESSING.SendMessage
type params = {
message : string;
abi : Ton_client__Mod_abi.Abi.t option;
send_events : bool;
}
val params_enc : params Json_encoding.encoding
type result = {
shard_block_id : string;
sending_endpoints : string list;
val result_enc : result Json_encoding.encoding
val f : (params, result) Ton_client__Tc.f