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// DerivationPath represents the computer friendly version of a hierarchical
// deterministic wallet account derivaion path.
//
// The BIP-32 spec https://github.com/bitcoin/bips/blob/master/bip-0032.mediawiki
// defines derivation paths to be of the form:
//
// m / purpose' / coin_type' / account' / change / address_index
//
// The BIP-44 spec https://github.com/bitcoin/bips/blob/master/bip-0044.mediawiki
// defines that the `purpose` be 44' (or 0x8000002C) for crypto currencies, and
// SLIP-44 https://github.com/satoshilabs/slips/blob/master/slip-0044.md assigns
// the `coin_type` 60' (or 0x8000003C) to Ethereum.
//
// The root path for Ethereum is m/44'/60'/0'/0 according to the specification
// from https://github.com/ethereum/EIPs/issues/84, albeit it's not set in stone
// yet whether accounts should increment the last component or the children of
// that. We will go with the simpler approach of incrementing the last component.
type DerivationPath []uint32
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