@emurgo/ledger-connect-handler v7.0.1
yoroi-extension-ledger-connect-handler
This library enables Yoroi extension to communicate with Ledger device, in process this library needs one web page that directly communicates with Ledger device. This library is responsible for opening, sendind resquest, passing back response to Yoroi and closing the target web page.
Message Passing
Flow:
1. Yoroi
requests yoroi-extension-ledger-connect-handler
(Using function call).
2. yoroi-extension-ledger-connect-handler
opens target Website.
3. yoroi-extension-ledger-connect-handler
sends request message to content-script
(Using extension port).
4. content-script
passes request to the target Website app(Using postMessage()
).
5. Target Website app processes the request and send response to content-script
(Using postMessage()
).
6. content-script
passes response to yoroi-extension-ledger-connect-handler
(Using extension port).
7. Finally, yoroi-extension-ledger-connect-handler
passes response to Yoroi
(Using function return).
Supported Functions
getExtendedPublicKey
Inputs
{
serial: ?string,
params: {
path: BIP32Path
},
}
Outputs
{
deriveSerial: {
serial: string
},
deviceVersion: {
flags: Flags,
major: string,
minor: string,
patch: string
},
response: GetExtendedPublicKeysResponse<GetExtendedPublicKeyResponse>
}
getExtendedPublicKeys
Inputs
{
serial: ?string,
params: {
paths: Array<BIP32Path>
},
}
Outputs
{
deriveSerial: {
serial: string
},
deviceVersion: {
flags: Flags,
major: string,
minor: string,
patch: string
},
response: GetExtendedPublicKeysResponse<GetExtendedPublicKeysResponse>
}
signTransaction
Inputs
{
serial: ?string,
params: Transaction,
}
Outputs
SignTransactionResponse
showAddress
Inputs
{|
serial: ?string,
params: {
...ShowAddressRequest,
expectedAddr: string,
},
|}
Outputs
undefined
deriveAddress
Inputs
{
serial: ?string,
params: DeriveAddressRequest,
}
Outputs
DeriveAddressResponse
getVersion
Inputs
{
serial: ?string,
params: undefined,
}
Outputs
GetVersionResponse
getSerial
Inputs
{
serial: ?string,
params: undefined,
}
Outputs
GetSerialResponse
Example
Import
import LedgerConnect from 'yoroi-extension-ledger-connect-handler';
Create new instance
const ledgerConnect = new LedgerConnect(config);
config
is type of: Config
Calling function
const deviceVersionResp = await ledgerConnect.getVersion();
Supported Ledger Transport
- @ledgerhq/hw-transport-webauthn Default
- @ledgerhq/hw-transport-u2f
- Has issues on
Windows 10 Version: >= 1903
. Refer.
- Has issues on
- @ledgerhq/hw-transport-webusb Incomplete
Building up
nvm i
yarn
yarn run build
Publishing
Make sure you have followed Building up steps before publishing.
npm publish
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