Run polkadot and cumulus localnet

README.md

1. Build master of polkadot with cargo build --release --features real-overseer
2. Build master of cumulus with cargo build --release -p rococo-collator
3. Update the config above so that paths point to proper locations
4. Take polkadot-launch of d9b6708e5175244aa5c83685aa5d0633b837a1fe (or master should be fine really)
5. Run with RUST_LOG=parachains_runtime_inclusion=trace,candidate_backing=trace,collation_generation=trace,candidate_selection=trace,runtime=debug npm run start launch-hrmp.json

launch-hrmp.json

{
	"relaychain": {
		"bin": "/home/lilpep/dev/polkadot/target/release/polkadot",
		"chain": "rococo-local",
		"flags": ["-lruntime=debug"],
		"nodes": [
			{
				"name": "alice",
				"wsPort": 9944,
				"port": 30444
			},
			{
				"name": "bob",
				"wsPort": 9955,
				"port": 30555
			},
			{
				"name": "charlie",
				"wsPort": 9966,
				"port": 30666
			}
		]
	},
	"parachains": [
		{
			"bin": "/home/lilpep/dev/cumulus/target/release/rococo-collator",
			"id": "200",
			"wsPort": 9988,
			"port": 30888,
			"balance": "1000000000000000000000",
			"flags": ["--", "--execution=wasm"]
		},
		{
			"bin": "/home/lilpep/dev/cumulus/target/release/rococo-collator",
			"id": "300",
			"wsPort": 9989,
			"port": 30999,
			"balance": "1000000000000000000000",
			"flags": ["--", "--execution=wasm"]
		}
	],
	"simpleParachains": [
	],
	"hrmpChannels": [
		{
			"sender": "200",
			"recipient": "300",
			"maxCapacity": "8",
			"maxMessageSize": "1024"
		}
	],
	"types": {
		"OriginKind": {
			"_enum": {
				"Native": null,
				"SovereignAccount": null,
				"Superuser": null
			}
		},
		"NetworkId": {
			"_enum": {
				"Any": null,
				"Named": "Vec<u8>",
				"Polkadot": null,
				"Kusama": null
			}
		},
		"MultiLocation": {
			"_enum": {
				"Null": null,
				"X1": "Junction",
				"X2": "(Junction, Junction)",
				"X3": "(Junction, Junction, Junction)",
				"X4": "(Junction, Junction, Junction, Junction)"
			}
		},
		"AccountId32Junction": {
			"network": "NetworkId",
			"id": "AccountId"
		},
		"AccountIndex64Junction": {
			"network": "NetworkId",
			"index": "Compact<u64>"
		},
		"AccountKey20Junction": {
			"network": "NetworkId",
			"index": "[u8; 20]"
		},
		"Junction": {
			"_enum": {
				"Parent": null,
				"Parachain": "Compact<u32>",
				"AccountId32": "AccountId32Junction",
				"AccountIndex64": "AccountIndex64Junction",
				"AccountKey20": "AccountKey20Junction",
				"PalletInstance": "u8",
				"GeneralIndex": "Compact<u128>",
				"GeneralKey": "Vec<u8>",
				"OnlyChild": null
			}
		},
		"VersionedMultiLocation": {
			"_enum": {
				"V0": "MultiLocation"
			}
		},
		"AssetInstance": {
			"_enum": {
				"Undefined": null,
				"Index8": "u8",
				"Index16": "Compact<u16>",
				"Index32": "Compact<u32>",
				"Index64": "Compact<u64>",
				"Index128": "Compact<u128>",
				"Array4": "[u8; 4]",
				"Array8": "[u8; 8]",
				"Array16": "[u8; 16]",
				"Array32": "[u8; 32]",
				"Blob": "Vec<u8>"
			}
		},
		"AbstractFungible": {
			"id": "Vec<u8>",
			"instance": "Compact<u128>"
		},
		"AbstractNonFungible": {
			"class": "Vec<u8>",
			"instance": "AssetInstance"
		},
		"ConcreteFungible": {
			"id": "MultiLocation",
			"amount": "Compact<u128>"
		},
		"ConcreteNonFungible": {
			"class": "MultiLocation",
			"instance": "AssetInstance"
		},
		"MultiAsset": {
			"_enum": {
				"None": null,
				"All": null,
				"AllFungible": null,
				"AllNonFungible": null,
				"AllAbstractFungible": "Vec<u8>",
				"AllAbstractNonFungible": "Vec<u8>",
				"AllConcreteFungible": "MultiLocation",
				"AllConcreteNonFungible": "MultiLocation",
				"AbstractFungible": "AbstractFungible",
				"AbstractNonFungible": "AbstractNonFungible",
				"ConcreteFungible": "ConcreteFungible",
				"ConcreteNonFungible": "ConcreteNonFungible"
			}
		},
		"VersionedMultiAsset": {
			"_enum": {
				"V0": "MultiAsset"
			}
		},
		"DepositAsset": {
			"assets": "Vec<MultiAsset>",
			"dest": "MultiLocation"
		},
		"DepositReserveAsset": {
			"assets": "Vec<MultiAsset>",
			"dest": "MultiLocation",
			"effects": "Vec<Order>"
		},
		"ExchangeAsset": {
			"give": "Vec<MultiAsset>",
			"receive": "Vec<MultiAsset>"
		},
		"InitiateReserveWithdraw": {
			"assets": "Vec<MultiAsset>",
			"reserve": "MultiLocation",
			"effects": "Vec<Order>"
		},
		"InitiateTeleport": {
			"assets": "Vec<MultiAsset>",
			"dest": "MultiLocation",
			"effects": "Vec<Order>"
		},
		"QueryHolding": {
			"query_id": "Compact<u64>",
			"dest": "MultiLocation",
			"assets": "Vec<MultiAsset>"
		},
		"Order": {
			"_enum": {
				"Null": null,
				"DepositAsset": "DepositAsset",
				"DepositReserveAsset": "DepositReserveAsset",
				"ExchangeAsset": "ExchangeAsset",
				"InitiateReserveWithdraw": "InitiateReserveWithdraw",
				"InitiateTeleport": "InitiateTeleport",
				"QueryHolding": "QueryHolding"
			}
		},
		"WithdrawAsset": {
			"assets": "Vec<MultiAsset>",
			"effects": "Vec<Order>"
		},
		"ReserveAssetDeposit": {
			"assets": "Vec<MultiAsset>",
			"effects": "Vec<Order>"
		},
		"TeleportAsset": {
			"assets": "Vec<MultiAsset>",
			"effects": "Vec<Order>"
		},
		"Balances": {
			"query_id": "Compact<u64>",
			"assets": "Vec<MultiAsset>"
		},
		"Transact": {
			"origin_type": "OriginKind",
			"call": "Vec<u8>"
		},
		"RelayTo": {
			"dest": "MultiLocation",
			"inner": "VersionedXcm"
		},
		"RelayedFrom": {
			"superorigin": "MultiLocation",
			"inner": "VersionedXcm"
		},
		"Xcm": {
			"_enum": {
				"WithdrawAsset": "WithdrawAsset",
				"ReserveAssetDeposit": "ReserveAssetDeposit",
				"TeleportAsset": "TeleportAsset",
				"Balances": "Balances",
				"Transact": "Transact",
				"RelayTo": "RelayTo",
				"RelayedFrom": "RelayedFrom"
			}
		},
		"VersionedXcm": {
			"_enum": {
				"V0": "Xcm"
			}
		},
		"XcmError": {
			"_enum": [
				"Undefined",
				"Unimplemented",
				"UnhandledXcmVersion",
				"UnhandledXcmMessage",
				"UnhandledEffect",
				"EscalationOfPrivilege",
				"UntrustedReserveLocation",
				"UntrustedTeleportLocation",
				"DestinationBufferOverflow",
				"CannotReachDestination",
				"MultiLocationFull",
				"FailedToDecode",
				"BadOrigin"
			]
		},
		"XcmResult": {
			"_enum": {
				"Ok": "()",
				"Err": "XcmError"
			}
		},
		"InboundDownwardMessage": {
			"sent_at": "BlockNumber",
			"msg": "Vec<u8>"
		},
		"InboundHrmpMessage": {
			"sent_at": "BlockNumber",
			"data": "Vec<u8>"
		},
		"MessageIngestionType": {
			"dmp": "Vec<InboundDownwardMessage>",
			"hrmp": "BTreeMap<u32,Vec<InboundHrmpMessage>>"
		},
		"ValidationData": {
			"persisted": "PersistedValidationData",
			"transient": "TransientValidationData"
		},
		"PersistedValidationData": {
			"parent_head": "HeadData",
			"block_number": "BlockNumber",
			"hrmp_mqc_heads": "Vec<(u32,Hash)>",
			"dmq_mqc_head": "Hash",
			"max_pov_size": "u32"
		},
		"TransientValidationData": {
			"max_code_size": "u32",
			"max_head_data_size": "u32",
			"balance": "Balance",
			"code_upgrade_allowed": "Option<BlockNumber>",
			"dmq_length": "u32"
		},
		"HrmpChannel": {
			"sender_deposit": "Balance",
			"recipient_deposit": "Balance",
			"max_capacity": "u32",
			"max_total_size": "u32",
			"max_message_size": "u32",
			"msg_count": "u32",
			"total_size": "u32",
			"mqc_head": "Option<Hash>"
		}
	}
}