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CAPABILITIES-BUILT-IN.md

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Built-in capabilities

Since capabilities can be created between contract and environment, we don't know them all in the VM. This is a list of all built-in capabilities, but chains might define others.

  • iterator is for storage backends that allow range queries. Not all types of databases do that. There are trees that don't allow it and Secret Network does not support iterators for other technical reasons.
  • stargate is for messages and queries that came with the Cosmos SDK upgrade "Stargate". It primarily includes protobuf messages and IBC support.
  • staking is for chains with the Cosmos SDK staking module. There are Cosmos chains that don't use this (e.g. Tgrade).
  • cosmwasm_1_1 enables the BankQuery::Supply query. Only chains running CosmWasm 1.1.0 or higher support this.
  • cosmwasm_1_2 enables the GovMsg::VoteWeighted and WasmMsg::Instantiate2 messages. Only chains running CosmWasm 1.2.0 or higher support this.
  • cosmwasm_1_3 enables the BankQuery::AllDenomMetadata, BankQuery::DenomMetadata and DistributionQuery::DelegatorWithdrawAddress queries, as well as DistributionMsg::FundCommunityPool. Only chains running CosmWasm 1.3.0 or higher support this.