| identifier | Crypto.HDKey.BIP32 |
| identify_close | Lightning.Protocol.BOLT5.Detect, Lightning.Protocol.BOLT5 |
| IncorrectCltvExpiry | Lightning.Protocol.BOLT4.Types, Lightning.Protocol.BOLT4 |
| IncorrectOrUnknownPaymentDetails | Lightning.Protocol.BOLT4.Types, Lightning.Protocol.BOLT4 |
| Init | |
| 1 (Type/Class) | Lightning.Protocol.BOLT1.Message, Lightning.Protocol.BOLT1 |
| 2 (Data Constructor) | Lightning.Protocol.BOLT1.Message, Lightning.Protocol.BOLT1 |
| 3 (Data Constructor) | Lightning.Protocol.BOLT9.Types, Lightning.Protocol.BOLT9 |
| initFeatures | Lightning.Protocol.BOLT1.Message, Lightning.Protocol.BOLT1 |
| initGlobalFeatures | Lightning.Protocol.BOLT1.Message, Lightning.Protocol.BOLT1 |
| InitNetworks | Lightning.Protocol.BOLT1.TLV, Lightning.Protocol.BOLT1 |
| InitRemoteAddr | Lightning.Protocol.BOLT1.TLV, Lightning.Protocol.BOLT1 |
| InitTlv | Lightning.Protocol.BOLT1.TLV, Lightning.Protocol.BOLT1 |
| initTlvs | Lightning.Protocol.BOLT1.Message, Lightning.Protocol.BOLT1 |
| insert_secret | Lightning.Protocol.BOLT3.Keys, Lightning.Protocol.BOLT3 |
| inv | |
| 1 (Function) | Numeric.Montgomery.Secp256k1.Curve |
| 2 (Function) | Numeric.Montgomery.Secp256k1.Scalar |
| inv# | |
| 1 (Function) | Numeric.Montgomery.Secp256k1.Curve |
| 2 (Function) | Numeric.Montgomery.Secp256k1.Scalar |
| InvalidAnchorValue | Lightning.Protocol.BOLT3.Validate, Lightning.Protocol.BOLT3 |
| InvalidEphemeralKey | Lightning.Protocol.BOLT4.Process |
| InvalidFee | Lightning.Protocol.BOLT3.Validate, Lightning.Protocol.BOLT3 |
| InvalidHopPubKey | Lightning.Protocol.BOLT4.Construct |
| InvalidHTLCLocktime | Lightning.Protocol.BOLT3.Validate, Lightning.Protocol.BOLT3 |
| InvalidHTLCSequence | Lightning.Protocol.BOLT3.Validate, Lightning.Protocol.BOLT3 |
| InvalidKey | |
| 1 (Data Constructor) | Crypto.AEAD.ChaCha20Poly1305 |
| 2 (Data Constructor) | Crypto.Cipher.ChaCha20 |
| 3 (Data Constructor) | Lightning.Protocol.BOLT8 |
| InvalidLength | Lightning.Protocol.BOLT8 |
| InvalidLocktime | Lightning.Protocol.BOLT3.Validate, Lightning.Protocol.BOLT3 |
| InvalidMAC | |
| 1 (Data Constructor) | Crypto.AEAD.ChaCha20Poly1305 |
| 2 (Data Constructor) | Lightning.Protocol.BOLT8 |
| InvalidNodeKey | Lightning.Protocol.BOLT4.Blinding, Lightning.Protocol.BOLT4 |
| InvalidNonce | |
| 1 (Data Constructor) | Crypto.AEAD.ChaCha20Poly1305 |
| 2 (Data Constructor) | Crypto.Cipher.ChaCha20 |
| InvalidOnionHmac | Lightning.Protocol.BOLT4.Types, Lightning.Protocol.BOLT4 |
| InvalidOnionKey | Lightning.Protocol.BOLT4.Types, Lightning.Protocol.BOLT4 |
| InvalidOnionPayload | Lightning.Protocol.BOLT4.Types, Lightning.Protocol.BOLT4 |
| InvalidOnionVersion | Lightning.Protocol.BOLT4.Types, Lightning.Protocol.BOLT4 |
| InvalidOutputOrdering | Lightning.Protocol.BOLT3.Validate, Lightning.Protocol.BOLT3 |
| InvalidParity | Lightning.Protocol.BOLT9.Validate, Lightning.Protocol.BOLT9 |
| InvalidPathKey | Lightning.Protocol.BOLT4.Blinding, Lightning.Protocol.BOLT4 |
| InvalidPayload | Lightning.Protocol.BOLT4.Process |
| InvalidPub | Lightning.Protocol.BOLT8 |
| InvalidRealm | Lightning.Protocol.BOLT4.Types, Lightning.Protocol.BOLT4 |
| InvalidSeed | Lightning.Protocol.BOLT4.Blinding, Lightning.Protocol.BOLT4 |
| InvalidSequence | Lightning.Protocol.BOLT3.Validate, Lightning.Protocol.BOLT3 |
| InvalidSessionKey | Lightning.Protocol.BOLT4.Construct |
| InvalidVersion | |
| 1 (Data Constructor) | Lightning.Protocol.BOLT3.Validate, Lightning.Protocol.BOLT3 |
| 2 (Data Constructor) | Lightning.Protocol.BOLT4.Process |
| 3 (Data Constructor) | Lightning.Protocol.BOLT8 |
| Invoice | Lightning.Protocol.BOLT9.Types, Lightning.Protocol.BOLT9 |
| IPv4Addr | Lightning.Protocol.BOLT7.Types, Lightning.Protocol.BOLT7 |
| ipv4Addr | Lightning.Protocol.BOLT7.Types, Lightning.Protocol.BOLT7 |
| ipv4AddrLen | Lightning.Protocol.BOLT7.Types, Lightning.Protocol.BOLT7 |
| IPv6Addr | Lightning.Protocol.BOLT7.Types, Lightning.Protocol.BOLT7 |
| ipv6Addr | Lightning.Protocol.BOLT7.Types, Lightning.Protocol.BOLT7 |
| ipv6AddrLen | Lightning.Protocol.BOLT7.Types, Lightning.Protocol.BOLT7 |
| isChannelContext | Lightning.Protocol.BOLT9.Types, Lightning.Protocol.BOLT9 |
| isFeatureSet | Lightning.Protocol.BOLT9.Codec, Lightning.Protocol.BOLT9 |
| is_trimmed | Lightning.Protocol.BOLT3.Tx, Lightning.Protocol.BOLT3 |
| italian | Crypto.KDF.BIP39 |