Declared host functions available to services. Import from "@fluffylabs/as-lan" or
from a specific group ("@fluffylabs/as-lan/ecalli/general", .../refine, .../accumulate).
ID Function Description
0 gas()Returns remaining gas 1 fetch(dest_ptr, offset, length, kind, param1, param2)Fetch context data 2 lookup(service, hash_ptr, out_ptr, offset, length)Look up preimage by hash 3 read(service, key_ptr, key_len, out_ptr, offset, length)Read from storage 4 write(key_ptr, key_len, value_ptr, value_len)Write to storage 5 info(service, out_ptr, offset, length)Get service account info 100 log(level, target_ptr, target_len, msg_ptr, msg_len)JIP-1 debug log (prefer Logger)
ID Function Description
6 historical_lookup(service, hash_ptr, out_ptr, offset, length)Historical preimage lookup 7 export_segment(segment_ptr, segment_len)Export a data segment 8 machine(code_ptr, code_len, entrypoint)Create inner PVM machine 9 peek(machine_id, dest_ptr, source, length)Read inner machine memory 10 poke(machine_id, source_ptr, dest, length)Write inner machine memory 11 pages(machine_id, start_page, page_count, access_type)Set inner machine page access 12 invoke(machine_id, io_ptr, out_r8)Run inner machine (r7=exit reason, r8 written to out_r8) 13 expunge(machine_id)Destroy inner machine
ID Function Description
14 bless(manager, auth_queue_ptr, delegator, registrar, auto_accum_ptr, count)Set privileged config 15 assign(core, auth_queue_ptr, assigners)Assign core 16 designate(validators_ptr)Set next epoch validators 17 checkpoint()Commit state, return remaining gas 18 new_service(code_hash_ptr, code_len, gas, allowance, gratis_storage, id)Create service 19 upgrade(code_hash_ptr, gas, allowance)Upgrade service code 20 transfer(dest, amount, gas_fee, memo_ptr)Transfer funds 21 eject(service, prev_code_hash_ptr)Remove service 22 query(hash_ptr, length, out_r8)Query preimage status (r8 written to out_r8) 23 solicit(hash_ptr, length)Request preimage availability 24 forget(hash_ptr, length)Cancel preimage solicitation 25 yield_result(hash_ptr)Provide accumulation result hash 26 provide(service, preimage_ptr, preimage_len)Supply solicited preimage
All functions return i64. Error sentinels are defined in EcalliResult:
NONE (-1), WHAT (-2), OOB (-3), WHO (-4), FULL (-5), CORE (-6), CASH (-7), LOW (-8), HUH (-9).