kyberswap-dex-lib

Marshal/unmarshal pool simulator

When implementing a new pool simulator, to make it marshal-able and unmarshal-able, we have to notice the following:

• rerun go generate ./... to register the new pool simulator struct

  • Because we might marshal/unmarshal a pool simulator under the IPoolSimulator interface. We have to register the underlying struct so we can unmarshal it as IPoolSimulator.

• pointer aliases

  • If the pool simulator struct contains pointer aliases, we must use msgpack:"-" tag to ignore the aliases and set them inside the AfterMsgpackUnmarshal() method. For an example:

    type PoolSimulator struct {
        vault *Vault
        vaultUtils *VaultUtils
    }
    
    type VaultUtils struct {
        vault *Vault `msgpack:"-"`
    }
    
    func (p *PoolSimulator) AfterMsgpackUnmarshal() error {
        if p.vaultUtils != nil {
            p.vaultUtils.vault = p.vault
        }
        return nil
    }