config: add sanity check to ensure either BTC or LTC is specified

This commit is contained in:
Olaoluwa Osuntokun 2017-10-17 19:36:04 -07:00
parent f953f94f71
commit dff3ad05f0
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GPG Key ID: 964EA263DD637C21

@ -223,25 +223,31 @@ func loadConfig() (*config, error) {
return nil, err return nil, err
} }
switch {
// The SPV mode implemented currently doesn't support Litecoin, so the // The SPV mode implemented currently doesn't support Litecoin, so the
// two modes are incompatible. // two modes are incompatible.
if cfg.NeutrinoMode.Active && cfg.Litecoin.Active { case cfg.NeutrinoMode.Active && cfg.Litecoin.Active:
str := "%s: The light client mode currently supported does " + str := "%s: The light client mode currently supported does " +
"not yet support execution on the Litecoin network" "not yet support execution on the Litecoin network"
err := fmt.Errorf(str, funcName) err := fmt.Errorf(str, funcName)
return nil, err return nil, err
}
if cfg.Litecoin.Active { // Either Bitcoin must be active, or Litecoin must be active.
// Otherwise, we don't know which chain we're on.
case !cfg.Bitcoin.Active && !cfg.Litecoin.Active:
return nil, fmt.Errorf("either bitcoin.active or " +
"litecoin.active must be set to 1 (true)")
case cfg.Litecoin.Active:
if cfg.Litecoin.SimNet { if cfg.Litecoin.SimNet {
str := "%s: simnet mode for litecoin not currently supported" str := "%s: simnet mode for litecoin not currently supported"
return nil, fmt.Errorf(str, funcName) return nil, fmt.Errorf(str, funcName)
} }
// The litecoin chain is the current active chain. However // The litecoin chain is the current active chain. However
// throuhgout the codebase we required chiancfg.Params. So as a // throughout the codebase we required chiancfg.Params. So as a
// temporary hack, we'll mutate the default net params for // temporary hack, we'll mutate the default net params for
// bitcoin with the litecoin specific informat.ion // bitcoin with the litecoin specific information.
paramCopy := bitcoinTestNetParams paramCopy := bitcoinTestNetParams
applyLitecoinParams(&paramCopy) applyLitecoinParams(&paramCopy)
activeNetParams = paramCopy activeNetParams = paramCopy
@ -262,8 +268,8 @@ func loadConfig() (*config, error) {
// Finally we'll register the litecoin chain as our current // Finally we'll register the litecoin chain as our current
// primary chain. // primary chain.
registeredChains.RegisterPrimaryChain(litecoinChain) registeredChains.RegisterPrimaryChain(litecoinChain)
}
if cfg.Bitcoin.Active { case cfg.Bitcoin.Active:
// Multiple networks can't be selected simultaneously. Count // Multiple networks can't be selected simultaneously. Count
// number of network flags passed; assign active network params // number of network flags passed; assign active network params
// while we're at it. // while we're at it.